{"title":"Fittings \u0026 Valves: Check Valves","description":"\u003cp\u003eCheck valves help prevent backflow in pool, spa, and bath plumbing systems by allowing water to move in one direction. These valves are often used near pumps, heaters, filters, chlorinators, and other equipment that can be affected by reverse flow. Browse PVC check valves and related parts designed to protect equipment, support circulation, and maintain reliable plumbing performance.\u003c\/p\u003e","products":[{"product_id":"21626","title":"Del Ozone [CMP] 1\/4\" x 1\/4\" Check Valve For Ozone 1\/2psi (21626)","description":"\u003cp\u003eDel Ozone [CMP] 1\/4\" x 1\/4\" Check Valve For Ozone 1\/2psi from Del Ozone is a replacement part for the plumbing system and is best used when the original component is missing, worn, leaking, cracked, corroded, or no longer functioning as intended. This valve or plumbing component supports proper water routing and serviceability in the matching pool or spa plumbing assembly. It is useful when rebuilding a valve, restoring a connection, or replacing parts that have become worn through normal operation. Key specifications from the listing include CMP, which should be compared against the existing part before ordering. Because pool and spa parts often vary by model year, plumbing size, voltage, horsepower, color, or connection style, confirm the part number 21626 and visible dimensions against your existing equipment before installation. This item is a practical choice for technicians, service companies, and homeowners who want to keep compatible equipment operating correctly while replacing only the specific component needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement part for compatible Del Ozone applications and related pool, spa, or bath equipment.\u003c\/li\u003e\n  \u003cli\u003eHelps support flow direction, connection, and serviceability when the original part is worn, damaged, or due for service.\u003c\/li\u003e\n  \u003cli\u003eVerify part number 21626, model compatibility, size, color, voltage, or connection details before ordering.\u003c\/li\u003e\n  \u003cli\u003eUseful for repair work focused on restoring equipment function without replacing a larger assembly.\u003c\/li\u003e\n  \u003cli\u003eRecommended for maintenance situations where fit, seal, flow, control, or component alignment is important.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Del Ozone","offers":[{"title":"Default Title","offer_id":28222430416,"sku":"21626","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0903.jpg?v=1778992341"},{"product_id":"17-8075","title":"Balboa 8 Port Cycle Valve III (17-8075)","description":"\u003cp\u003eWater movement is what gives a spa its character, and components that manage that movement often have a bigger impact than most homeowners realize. This 8 Port Cycle Valve III is designed to direct flow through multiple ports in a controlled sequence, helping create a more dynamic and balanced hydrotherapy experience.\u003c\/p\u003e\u003cp\u003eWhen a cycling valve begins to wear out, the spa can lose some of the variation and consistency it was originally built to provide. Seats may no longer feel as active, flow may seem less coordinated, or the overall experience may become flatter than before. Replacing the valve restores that movement pattern instead of forcing you to assume the issue lies with pumps or jets.\u003c\/p\u003e\u003cp\u003eThis kind of part is especially important in systems that rely on rotational or staged water delivery. It is not just about moving water, but about moving it in the right order and with the right control. That is what makes a properly matched cycle valve such a meaningful repair when performance starts to feel uneven.\u003c\/p\u003e\u003cp\u003eUsing the correct replacement also keeps installation cleaner and more predictable. Rather than adapting a near match, you preserve the way the original system was intended to function.\u003c\/p\u003e\u003cp\u003eOnce installed, the spa can regain the more engaging, balanced feel that homeowners notice immediately when water is being distributed the way it should be.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEight-port design supports controlled water cycling across the system\u003c\/li\u003e\n\u003cli\u003eHelps restore staged flow and more balanced hydrotherapy action\u003c\/li\u003e\n\u003cli\u003eUseful when spa performance feels flat or uneven between zones\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible cycle valve applications\u003c\/li\u003e\n\u003cli\u003eStrong replacement choice for restoring original water movement patterns\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Balboa Water Group","offers":[{"title":"Default Title","offer_id":28222667408,"sku":"17-8075","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/178075.jpg?v=1518751146"},{"product_id":"1012-15","title":"Flo Control 1-1\/2\" Slip Spring Check Valve [2 lb.] [Water] (1012-15)","description":"\u003cp\u003eThe Flo Control 1-1\/2\" Slip Spring Check Valve [2 lb.] [Water] is designed to help manage one-way water or ozone flow in compatible pool, spa, bath, or water treatment plumbing systems. A properly selected check valve can help reduce backflow, protect equipment, and maintain more consistent line direction in applications such as chemical feed, ozone injection, equipment bypass, or general circulation plumbing. The listed specifications include 2 lb., Water, which are useful details to compare against the existing component before ordering. Manufacturer part number 1012-15 should be matched carefully against the label, parts diagram, or prior invoice for the equipment being serviced.\u003c\/p\u003e\u003cp\u003eConnection size, spring rating, valve body style, and fluid application should be compared carefully before ordering. This part is intended for repairs where the existing check valve is leaking, stuck, cracked, or no longer preventing reverse flow. Matching the exact plumbing layout and pressure requirements helps support a reliable repair and reduces the chance of needing adapters or rework during installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for compatible Flo Control applications or systems where the listed part details match the existing component\u003c\/li\u003e\n  \u003cli\u003eUse part number 1012-15 to verify compatibility against equipment labels, exploded diagrams, or service records\u003c\/li\u003e\n  \u003cli\u003eHelps complete plumbing repairs, replacements, extensions, or equipment connections\u003c\/li\u003e\n  \u003cli\u003eConfirm size, thread type, slip or spigot style, and connection orientation before installation\u003c\/li\u003e\n  \u003cli\u003eUseful for service work on circulation, suction, return, drain, or equipment plumbing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244022096,"sku":"1012-15","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1090_xl.jpg?v=1486185786"},{"product_id":"1050c20","title":"Flo Control Spring Check Valve [1-1\/2\" Slip x 2\" Spigot] [1\/4 lb] [Air] (1050C20)","description":"\u003cp\u003eA spring check valve helps control one-way air flow in a compatible plumbing or pneumatic setup, and this Flo Control valve is designed with a 1-1\/2 inch slip by 2 inch spigot connection layout and a 1\/4 pound air configuration using the 1050C20 reference. When a check valve no longer opens or seals as intended, directional flow control can become less reliable than it should be.\u003c\/p\u003e\u003cp\u003eThe mixed slip and spigot connection style, light spring pressure, and air-service design give this valve practical value because check valves work best when the replacement matches the system size and operating characteristics closely. A properly selected valve helps restore intended one-way flow control and contributes to cleaner system performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the surrounding plumbing remains serviceable and the issue is centered on backflow prevention or weakened valve action. That keeps the repair focused and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this spring check valve helps restore dependable one-way air control and contributes to better overall system reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpring check valve with 1-1\/2 inch slip x 2 inch spigot connections\u003c\/li\u003e\n\u003cli\u003e1\/4 pound air configuration supports intended flow control\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way valve performance\u003c\/li\u003e\n\u003cli\u003eUseful when original check valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eImproves service confidence and system operation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244042128,"sku":"1050C20","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1000_xl.jpg?v=1486185806"},{"product_id":"r172288","title":"Flo Control Spring Check Valve [1-1\/2\" Slip x 2\" Spigot] [2 lb.] [Water] [CR] (1052C20)","description":"\u003cp\u003eA spring check valve helps maintain one-way water flow in a compatible plumbing system, and this Flo Control valve is designed with a 1-1\/2 inch slip by 2 inch spigot connection layout and a 2 pound water configuration using the 1052C20 reference. When a check valve becomes unreliable, the system can lose the controlled directional flow it should provide.\u003c\/p\u003e\u003cp\u003eThe mixed connection design, stronger spring rating, and water-service focus give this valve practical value because flow-control components work best when the replacement matches both the plumbing size and intended operating pressure characteristics. A properly selected valve helps restore intended backflow prevention and contributes to cleaner system performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the larger plumbing assembly remains serviceable and the issue is centered on the valve itself. That keeps the repair direct and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this spring check valve helps restore dependable one-way water control and contributes to better overall plumbing reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpring check valve with 1-1\/2 inch slip x 2 inch spigot connections\u003c\/li\u003e\n\u003cli\u003e2 pound water configuration supports intended flow control\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable backflow prevention\u003c\/li\u003e\n\u003cli\u003eUseful when original check valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eImproves service confidence and plumbing performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244042768,"sku":"R172288","price":92.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0467.jpg?v=1778992139"},{"product_id":"1011c15","title":"Flo Control Spring Check Valve [1-1\/2\" Slip] [1\/2 lb] (1011C15)","description":"\u003cp\u003eA spring check valve helps control one-way flow in a compatible plumbing system, and this Flo Control valve is designed with 1-1\/2 inch slip connections and a 1\/2 pound spring rating using the 1011C15 reference. When a check valve stops sealing or opening correctly, the system can lose the dependable directional flow control it should provide.\u003c\/p\u003e\u003cp\u003eThe 1-1\/2 inch slip format and lighter spring setting give this valve practical value because check valves work best when the replacement matches the original plumbing size and operating characteristics closely. A properly selected valve helps restore intended one-way flow performance and contributes to cleaner system operation.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the surrounding plumbing remains serviceable and the issue is centered on valve wear or inconsistent internal movement. That keeps upkeep focused and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this spring check valve helps restore dependable one-way flow control and contributes to better overall plumbing performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpring check valve with 1-1\/2 inch slip connections\u003c\/li\u003e\n\u003cli\u003e1\/2 pound spring configuration supports intended operation\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUseful when original valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eImproves plumbing reliability and service confidence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244044688,"sku":"1011C15","price":24.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1100_xl.jpg?v=1486185808"},{"product_id":"1700c15","title":"Flo Control Spring Check Valve [1-1\/2\" Slip] [1\/2 lb] [True Union] (1700C15)","description":"\u003cp\u003eA true-union spring check valve helps maintain one-way flow in a compatible plumbing system while also supporting easier removal for service, and this Flo Control valve is designed with 1-1\/2 inch slip connections and a 1\/2 pound spring rating using the 1700C15 reference. When a check valve needs replacement or periodic access, a union-style design can make maintenance much more convenient.\u003c\/p\u003e\u003cp\u003eThe 1-1\/2 inch slip size, lighter spring setting, and true-union construction give this valve practical value because the best replacement should match both the original flow-control characteristics and the service needs of the system. A properly selected valve helps restore intended backflow prevention and contributes to cleaner maintenance access.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when future removal or inspection matters in the plumbing layout. That makes the union design a practical advantage beyond simple replacement.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this true-union spring check valve helps restore dependable one-way flow control and contributes to better overall plumbing performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrue-union spring check valve with 1-1\/2 inch slip connections\u003c\/li\u003e\n\u003cli\u003e1\/2 pound spring configuration supports intended flow control\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable backflow prevention\u003c\/li\u003e\n\u003cli\u003eUnion design supports easier removal and service\u003c\/li\u003e\n\u003cli\u003eImproves plumbing reliability and maintenance convenience\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244048464,"sku":"1700C15","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1140_xl.jpg?v=1486185809"},{"product_id":"1700c20","title":"Flo Control Spring Check Valve [2\" Slip] [1\/2 lb] [True Union] (1700C20)","description":"\u003cp\u003eA true-union spring check valve helps control one-way flow in a compatible plumbing system and also makes service access easier when removal is needed, and this Flo Control valve is designed with 2 inch slip connections and a 1\/2 pound spring rating using the 1700C20 reference. When a check valve becomes unreliable or difficult to service, overall plumbing maintenance can become more complicated than it should be.\u003c\/p\u003e\u003cp\u003eThe 2 inch size, lighter spring configuration, and true-union design give this valve practical value because a properly matched replacement should fit the system size while also supporting easier maintenance. A correctly selected valve helps restore intended backflow control and contributes to cleaner circulation-system performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when future valve access matters in the plumbing layout. That makes the union construction a practical long-term benefit.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this true-union spring check valve helps restore dependable one-way flow control and contributes to better overall plumbing reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrue-union spring check valve with 2 inch slip connections\u003c\/li\u003e\n\u003cli\u003e1\/2 pound spring configuration supports intended flow control\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way valve performance\u003c\/li\u003e\n\u003cli\u003eUnion design supports easier service and removal\u003c\/li\u003e\n\u003cli\u003eImproves plumbing reliability and maintenance efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244051024,"sku":"1700C20","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1150_xl.jpg?v=1486185811"},{"product_id":"101107","title":"Flo Control Spring Check Valve [3\/4\" Slip] [1\/2 lb] [Water] (101107)","description":"\u003cp\u003eA spring check valve helps maintain one-way water movement in a compatible plumbing system, and this Flo Control valve is designed with 3\/4 inch slip connections and a 1\/2 pound water configuration using the 101107 reference. When a check valve becomes worn or inconsistent, the plumbing system can lose the reliable directional flow control it should provide.\u003c\/p\u003e\u003cp\u003eThe 3\/4 inch size and 1\/2 pound water-service design give this valve practical value because check valves work best when the replacement matches the original plumbing dimensions and operating characteristics closely. A properly selected valve helps restore intended backflow prevention and contributes to cleaner system performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the broader plumbing assembly remains serviceable and the issue is centered on valve wear. That keeps the repair focused and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this spring check valve helps restore dependable one-way water control and contributes to better overall plumbing reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpring check valve with 3\/4 inch slip connections\u003c\/li\u003e\n\u003cli\u003e1\/2 pound water configuration supports intended operation\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable backflow prevention\u003c\/li\u003e\n\u003cli\u003eUseful when original valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eImproves plumbing performance and service confidence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244051152,"sku":"101107","price":26.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1099_xl.jpg?v=1486185812"},{"product_id":"1720c15","title":"Flo Control Swing Check Valve [1-1\/2\" Slip] [True Union] (1720C15)","description":"\u003cp\u003eA true-union swing check valve helps maintain one-way flow in a compatible plumbing system while also allowing easier removal for service, and this Flo Control valve is designed with 1-1\/2 inch slip connections using the 1720C15 reference. When a check valve becomes unreliable or difficult to access, plumbing performance and maintenance efficiency can both suffer.\u003c\/p\u003e\u003cp\u003eThe 1-1\/2 inch size, swing-check design, and true-union construction give this valve practical value because a properly matched replacement should fit the system size and support easier future service. A correctly selected valve helps restore intended directional flow control and contributes to cleaner plumbing performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when long-term serviceability matters in the plumbing layout. That makes the union-style design a practical advantage in addition to its flow-control role.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this swing check valve helps restore dependable one-way flow control and contributes to better overall plumbing reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrue-union swing check valve with 1-1\/2 inch slip connections\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow performance\u003c\/li\u003e\n\u003cli\u003eUnion design supports easier service and removal\u003c\/li\u003e\n\u003cli\u003eUseful when original valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eImproves plumbing reliability and maintenance convenience\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244051664,"sku":"1720C15","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1260_xl.jpg?v=1486185813"},{"product_id":"1720c20","title":"Flo Control Swing Check Valve [2\" Slip] [True Union] (1720C20)","description":"\u003cp\u003eA true-union swing check valve helps support one-way water movement in a compatible plumbing system, and this Flo Control valve is designed with 2 inch slip connections using the 1720C20 reference. When a check valve no longer seals or moves as intended, the plumbing system can lose dependable directional flow control.\u003c\/p\u003e\u003cp\u003eThe 2 inch size, swing-check design, and true-union construction give this valve practical value because the right replacement should match the original pipe size and also support easier access for future service. A properly selected valve helps restore intended backflow prevention and contributes to cleaner plumbing performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when a valve may need periodic inspection or replacement without extensive replumbing. That makes the union configuration a useful maintenance benefit.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this swing check valve helps restore dependable one-way flow control and contributes to better overall system reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrue-union swing check valve with 2 inch slip connections\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUnion design supports easier removal and servicing\u003c\/li\u003e\n\u003cli\u003eUseful when original valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eImproves plumbing performance and maintenance efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":28244052240,"sku":"1720C20","price":84.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1270_xl.jpg?v=1486185814"},{"product_id":"0821-10c","title":"Magic Plastics Smart Check Check Valve [1\" Slip] [1\/2 lb] [Water] (0821-10C)","description":"\u003cp\u003eA check valve helps control one-way water flow in a compatible plumbing system, and this Magic Plastics Smart Check version is a 1 inch slip model with a 1\/2 pound water setting using the 0821-10C reference. Check valves are useful because they help prevent unwanted reverse flow that can affect the performance of connected equipment and plumbing lines.\u003c\/p\u003e\u003cp\u003eThis part has practical value because the Smart Check design and specific pressure setting help preserve intended compatibility in supported systems. A properly selected Magic Plastics valve contributes to more dependable backflow prevention and more accurate plumbing service.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the original check valve is sticking, leaking back, or no longer controlling flow direction correctly. That helps restore dependable one-way water flow with a direct replacement.\u003c\/p\u003e\u003cp\u003eInstalled in the proper application, this check valve helps support dependable directional control and stronger long-term plumbing performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 inch slip Smart Check check valve from Magic Plastics with 1\/2 pound water setting\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way flow in compatible plumbing systems\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a sticking or leaking original valve\u003c\/li\u003e\n\u003cli\u003eSupports dependable backflow prevention and plumbing reliability\u003c\/li\u003e\n\u003cli\u003eImproves replacement accuracy and service confidence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":28248662736,"sku":"0821-10C","price":18.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-395-1100_xl.jpg?v=1486193765"},{"product_id":"v20-350","title":"Val-Pak Generic Check Valve [Spring] [Return Line] [1\" Slip] (V20-350)","description":"\u003cp\u003eThe Val-Pak generic 1 inch slip spring return line check valve is designed for compatible return-line plumbing where a smaller slip-connected valve is needed to maintain one-way water movement. Spring-loaded check valves are useful because they respond automatically to changing flow conditions and help reduce reverse movement without constant operator attention.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve is no longer closing cleanly, has started allowing backflow, or has become unreliable in regular service. In more compact plumbing runs, getting the size and connection style right can make the repair much cleaner and more durable.\u003c\/p\u003e\u003cp\u003eThe V20-350 is a practical fit for supported installations that need a compact return-line check valve with a straightforward slip connection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVal-Pak generic 1 inch slip spring return line check valve\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way flow in compatible return-line plumbing\u003c\/li\u003e\n\u003cli\u003eSpring-loaded design for automatic valve response\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is sticking or allowing reverse flow\u003c\/li\u003e\n\u003cli\u003eCompact size works well in smaller compatible plumbing runs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Val-Pak Products","offers":[{"title":"Default Title","offer_id":28252199760,"sku":"V20-350","price":48.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-110-1890_xl.jpg?v=1486197984"},{"product_id":"200c15k","title":"Valterra Clear Swing Check Valve [1-1\/2\" Slip x 1-1\/2\" Slip] (200C15K)","description":"\u003cp\u003eThe Valterra Clear Swing Check Valve [1-1\/2\" Slip x 1-1\/2\" Slip] is a plumbing replacement part used to repair, connect, control, or redirect water flow in a compatible pool, spa, or bath system. Fittings and valves should be selected by pipe size, connection type, pressure rating, body style, and the exact repair application. Replacing a worn valve, plug, adapter, check valve, or fitting can help reduce leaks, improve serviceability, and restore proper flow through the equipment pad or vessel plumbing. Dry-fit and compare to the existing part before final installation, especially where slip, spigot, threaded, union, or specialty dimensions are involved. Key details from the item listing include 1-1\/2\" Slip x 1-1\/2\" Slip. Manufacturer or brand reference: Valterra Products. Part number: 200C15K.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Valterra Products equipment or replacement applications\u003c\/li\u003e\n\u003cli\u003eKey listing details: 1-1\/2\" Slip x 1-1\/2\" Slip\u003c\/li\u003e\n\u003cli\u003eHelps manage plumbing connection, repair, direction, or flow-control needs\u003c\/li\u003e\n\u003cli\u003eConfirm pipe size, connection type, and installation orientation before use\u003c\/li\u003e\n\u003cli\u003ePart number 200C15K should be used as the primary compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252371344,"sku":"200C15K","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-400-4600_xl.jpg?v=1486198110"},{"product_id":"200c20k","title":"Valterra Clear Swing Check Valve [2\" Slip x 2\" Slip] (200C20K)","description":"\u003cp\u003eThe Valterra Clear Swing Check Valve [2\" Slip x 2\" Slip] is a plumbing replacement part used to repair, connect, control, or redirect water flow in a compatible pool, spa, or bath system. Fittings and valves should be selected by pipe size, connection type, pressure rating, body style, and the exact repair application. Replacing a worn valve, plug, adapter, check valve, or fitting can help reduce leaks, improve serviceability, and restore proper flow through the equipment pad or vessel plumbing. Dry-fit and compare to the existing part before final installation, especially where slip, spigot, threaded, union, or specialty dimensions are involved. Key details from the item listing include 2\" Slip x 2\" Slip. Manufacturer or brand reference: Valterra Products. Part number: 200C20K.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Valterra Products equipment or replacement applications\u003c\/li\u003e\n\u003cli\u003eKey listing details: 2\" Slip x 2\" Slip\u003c\/li\u003e\n\u003cli\u003eHelps manage plumbing connection, repair, direction, or flow-control needs\u003c\/li\u003e\n\u003cli\u003eConfirm pipe size, connection type, and installation orientation before use\u003c\/li\u003e\n\u003cli\u003ePart number 200C20K should be used as the primary compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252376144,"sku":"200C20K","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-400-4610_xl.jpg?v=1486198113"},{"product_id":"300c20","title":"Valterra Flo Control Check Valve Spring [2\" Slip] [1\/2 lb] [Water] (300C20)","description":"\u003cp\u003eValterra Flo Control Check Valve Spring [2\" Slip] [1\/2 lb] [Water] (300C20) from Valterra Products is built for service work where the replacement part needs to match the existing equipment closely and install without unnecessary guesswork. This fittings \u0026amp; valves: check valves item is intended for compatible pool, spa, bath, or water equipment applications where precise fit and the correct service configuration matter. It is especially useful during planned maintenance, seasonal service, or repairs where equipment downtime needs to be minimized.\u003c\/p\u003e\u003cp\u003eAs a replacement check valve component, this item helps control one-way water flow and reduce unwanted backflow in compatible plumbing runs. A correctly matched check valve helps preserve intended flow direction and can reduce service problems caused by backflow, drain-down, or unwanted water movement.  Key identifiers include the configuration details including 2\" Slip, 1\/2 lb, Water; listed sizing of 2\".\u003c\/p\u003e\u003cp\u003eBefore ordering, compare the part number, connection style, horsepower or voltage callouts, frame size, and any visible molded markings on the old component. Confirm pipe size, spring rating, flow direction, and slip or threaded connection style before gluing or threading into place. If there is any uncertainty, measure the existing part and review any model-specific diagrams before placing the order. Professional installation is recommended for electrical, pressurized, or high-flow systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement fittings \u0026amp; valves: check valves item from Valterra Products\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible systems requiring part number 300C20\u003c\/li\u003e\n\u003cli\u003eHelps restore proper fit, flow, connection, or equipment service function\u003c\/li\u003e\n\u003cli\u003eVerify size, voltage, frame, connection style, and model compatibility before installation\u003c\/li\u003e\n\u003cli\u003eSuitable for service repairs, preventive maintenance, or replacement of worn original components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252382096,"sku":"300C20","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-350-1110_xl.jpg?v=1486198121"},{"product_id":"400-s","title":"Valterra Spring Check Valve [1-1\/2\" Slip \/ 2\" Spigot] [1\/4 lb] (400-S)","description":"\u003cp\u003eThe Valterra Spring Check Valve [1-1\/2\" Slip \/ 2\" Spigot] [1\/4 lb] (400-S) is a replacement pool, spa, or bath component intended for targeted repair and maintenance work. It is useful when the existing part is worn, damaged, missing, or no longer fitting the system as intended.\u003c\/p\u003e\u003cp\u003eThis Valterra Products item should be matched by product title, dimensions, category, and part number before purchase. Key identifiers include 1-1\/2\" Slip \/ 2\" Spigot, 1\/4 lb. Notable sizing references include 1-1\/2, 2\", 1\/4. Confirming these details helps ensure the replacement supports the original equipment layout and avoids unnecessary modification during installation. It is suitable for service professionals and knowledgeable homeowners looking for a direct replacement part for ongoing pool or spa upkeep. For best results, clean the mating surfaces during installation and replace related seals or gaskets whenever they show compression set, hardening, or visible damage. Part number \u003cstrong\u003e400-S\u003c\/strong\u003e should be used as the primary identifier when cross-checking compatibility.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement part for pool, spa, or bath service work\u003c\/li\u003e\n\u003cli\u003eMatch product title, dimensions, category, and part number before ordering\u003c\/li\u003e\n\u003cli\u003eUseful for repairing worn, damaged, or missing components\u003c\/li\u003e\n\u003cli\u003eHelps maintain the original equipment layout when properly installed\u003c\/li\u003e\n\u003cli\u003eSuitable for professional service or informed DIY replacement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252398544,"sku":"400-S","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-400-4500_xl.jpg?v=1486198141"},{"product_id":"300-c15","title":"Valterra Spring Check Valve Assembly [1-1\/2\" Slip x 1-1\/2\" Slip] [1\/2 lb.] (300-C15)","description":"\u003cp\u003eValterra Spring Check Valve Assembly [1-1\/2\" Slip x 1-1\/2\" Slip] [1\/2 lb.] (300-C15) from Valterra Products is selected when the existing assembly needs a direct-fit style component rather than a generic part that may require field modification. This fittings \u0026amp; valves: check valves item is intended for compatible pool, spa, bath, or water equipment applications where precise fit and the correct service configuration matter. Replacing the correct component can improve serviceability, reduce leaks or vibration, and help the surrounding assembly work as intended.\u003c\/p\u003e\u003cp\u003eAs a replacement check valve component, this item helps control one-way water flow and reduce unwanted backflow in compatible plumbing runs. A correctly matched check valve helps preserve intended flow direction and can reduce service problems caused by backflow, drain-down, or unwanted water movement.  Key identifiers include the configuration details including 1-1\/2\" Slip x 1-1\/2\" Slip, 1\/2 lb.; listed sizing of 1-1\/2\".\u003c\/p\u003e\u003cp\u003eThis part is intended to support a clean repair, but final fit should be confirmed using the equipment model and the dimensions listed in the product title. Confirm pipe size, spring rating, flow direction, and slip or threaded connection style before gluing or threading into place. If there is any uncertainty, measure the existing part and review any model-specific diagrams before placing the order. Professional installation is recommended for electrical, pressurized, or high-flow systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement fittings \u0026amp; valves: check valves item from Valterra Products\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible systems requiring part number 300-C15\u003c\/li\u003e\n\u003cli\u003eHelps restore proper fit, flow, connection, or equipment service function\u003c\/li\u003e\n\u003cli\u003eVerify size, voltage, frame, connection style, and model compatibility before installation\u003c\/li\u003e\n\u003cli\u003eSuitable for service repairs, preventive maintenance, or replacement of worn original components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252399120,"sku":"300-C15","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-400-4620_xl.jpg?v=1486198142"},{"product_id":"200-c15","title":"Valterra Swing\/Spring Check Valve [1-1\/2\" Slip] [1\/2 lb.] (200-C15)","description":"\u003cp\u003eThe Valterra 1-1\/2 inch slip swing and spring check valve is designed for compatible plumbing systems that need one-way flow control with a 1\/2 pound cracking-pressure style response. A check valve is useful because it helps limit unwanted backflow and supports more stable system behavior when circulation stops or flow direction changes.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve no longer seals consistently, has become unreliable with age, or is allowing unwanted reverse flow in the line. The slip connection format also makes it a practical fit for supported plumbing layouts where solvent-weld installation is preferred.\u003c\/p\u003e\u003cp\u003eThe 200-C15 is a strong service choice when a compatible 1-1\/2 inch line needs cleaner one-way control and a better-behaving plumbing system overall.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValterra 1-1\/2 inch slip swing and spring check valve\u003c\/li\u003e\n\u003cli\u003e1\/2 pound cracking-pressure style\u003c\/li\u003e\n\u003cli\u003eHelps reduce reverse flow in compatible plumbing systems\u003c\/li\u003e\n\u003cli\u003eUseful when the original check valve is worn or leaking backward\u003c\/li\u003e\n\u003cli\u003eSlip connections support straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252410896,"sku":"200-C15","price":22.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-400-1350_xl.jpg?v=1486198155"},{"product_id":"200-c20","title":"Valterra Swing\/Spring Check Valve [2\" Slip] [1\/2 lb.] (200-C20)","description":"\u003cp\u003eThe Valterra 2 inch slip swing and spring check valve is designed for compatible plumbing applications where dependable one-way flow control is needed in a larger line size. Check valves are useful because they help manage water direction automatically, reducing the chance of backflow that can create nuisance issues in the system.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the existing valve has started sticking, leaking in reverse, or no longer closing the way it should once flow stops. The 2 inch slip format makes it well suited to supported plumbing layouts where the correct size and installation style matter just as much as valve performance.\u003c\/p\u003e\u003cp\u003eThe 200-C20 is a practical option when restoring cleaner directional control in a compatible 2 inch plumbing system is part of a proper repair.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValterra 2 inch slip swing and spring check valve\u003c\/li\u003e\n\u003cli\u003e1\/2 pound cracking-pressure style\u003c\/li\u003e\n\u003cli\u003eDesigned for one-way flow control in compatible 2 inch lines\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is unreliable or allowing backflow\u003c\/li\u003e\n\u003cli\u003eSupports more predictable plumbing-system behavior\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Valterra Products","offers":[{"title":"Default Title","offer_id":28252410960,"sku":"200-C20","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/26-400-1360_xl.jpg?v=1486198157"},{"product_id":"872-0028","title":"Waterway 1\/4\" x 1\/4\" Check Valve (872-0028)","description":"\u003cp\u003eThe Waterway 1\/4\" x 1\/4\" Check Valve (872-0028) is a replacement component for Fittings \u0026amp; Valves: Check Valves applications from Waterway Plastics. It is intended for plumbing and valve service where accurate sizing and the proper connection style help restore dependable flow control. Part number 872-0028 should be used to confirm compatibility before ordering.\u003c\/p\u003e\u003cp\u003eThis part helps support dependable plumbing performance when an existing valve, seal, plug, or fitting is worn, damaged, leaking, or no longer operating smoothly. Because many pool and spa parts look similar but differ by size, port style, finish, voltage, or equipment series, always compare the listed specifications with the part currently installed. This helps reduce ordering mistakes and supports a cleaner, more reliable repair.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufactured\/listed by Waterway Plastics for Fittings \u0026amp; Valves: Check Valves applications\u003c\/li\u003e\n\u003cli\u003eUse part number 872-0028 to verify the exact replacement\u003c\/li\u003e\n\u003cli\u003eHelps restore fit, function, appearance, or sealing performance depending on the application\u003c\/li\u003e\n\u003cli\u003eSuitable for pool, spa, or bath equipment service when matched to the original component\u003c\/li\u003e\n\u003cli\u003eInspect the existing part and confirm dimensions, connections, and model compatibility before ordering\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28252753104,"sku":"872-0028","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/43-270-1005_XL.jpg?v=1486198638"},{"product_id":"600-1180","title":"Waterway Above Ground In-Line Chlorinator Check Valve Assembly (600-1180)","description":"\u003cp\u003eThe Waterway 600-1180 check valve assembly is designed for compatible above-ground in-line chlorinator systems. In chemical feeder plumbing, check valves are especially important because they help manage one-way flow and support the intended direction of water movement through the feeder arrangement.\u003c\/p\u003e\u003cp\u003eA complete valve assembly is often the preferred replacement when the original unit has become unreliable, worn, or contaminated from long-term service. Replacing the full Waterway assembly can help restore cleaner plumbing behavior and improve overall confidence in the chlorinator setup.\u003c\/p\u003e\u003cp\u003eFor above-ground in-line chlorinator maintenance, this Waterway check valve assembly is a practical solution when dependable flow control is needed in the feeder line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWaterway above-ground in-line chlorinator check valve assembly\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible chlorinator systems\u003c\/li\u003e\n\u003cli\u003eHelps support one-way flow in feeder plumbing\u003c\/li\u003e\n\u003cli\u003eUseful for restoring a worn or unreliable valve assembly\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable chemical feeder operation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255355600,"sku":"600-1180","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-1180.jpg?v=1486201709"},{"product_id":"600-8140","title":"Waterway Air Spring Check Valve [1-1\/2\" Slip] [1\/4 lb.] (600-8140)","description":"\u003cp\u003eThe Waterway 600-8140 air spring check valve is designed for compatible plumbing applications using a 1-1\/2 inch slip connection and a 1\/4 pound spring rating. A check valve like this is useful because it helps maintain one-way flow behavior, which can be especially important in systems where air and water management must stay controlled.\u003c\/p\u003e\u003cp\u003eThe 1-1\/2 inch slip configuration makes it easy to integrate into many solvent-weld plumbing runs, while the spring-assisted design helps the valve respond in a more controlled manner. Replacing a tired or sticking check valve with the proper Waterway model can improve reliability and system confidence.\u003c\/p\u003e\u003cp\u003eFor spa and pool plumbing service, this Waterway air spring check valve is a practical replacement when controlled one-way flow and a matched spring rating matter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWaterway air spring check valve\u003c\/li\u003e\n\u003cli\u003e1-1\/2 inch slip connection\u003c\/li\u003e\n\u003cli\u003e1\/4 pound spring rating\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way flow in compatible systems\u003c\/li\u003e\n\u003cli\u003eUseful for repair and replacement plumbing work\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255503696,"sku":"600-8140","price":17.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-8140.jpg?v=1486201897"},{"product_id":"600-5000","title":"Waterway Check Valve Assembly [1\"Slip x 1\"Slip Tee] (600-5000)","description":"\u003cp\u003eWaterway Check Valve Assembly [1\"Slip x 1\"Slip Tee] (600-5000) is a replacement component for service technicians, maintenance teams, and homeowners working on compatible pool, spa, or bath systems.  Manufactured by Waterway Plastics, this item is intended for use with compatible pool, spa, and bath equipment where the original specifications match.  As a fittings \u0026amp; valves: check valves item, it is designed to help control one-way water movement and reduce unwanted backflow in pool, spa, and bath plumbing systems.  Use part number 600-5000 when matching this item to diagrams, service records, or an existing component. Key identifying details include 1\"Slip x 1\"Slip Tee, 1\".\u003c\/p\u003e\u003cp\u003eThis part is a strong choice when the existing component is cracked, worn, missing, leaking, corroded, difficult to operate, or no longer performing as expected. Before installation, compare the full product title, connection style, size references, color, voltage or amperage details when present, and the listed part number against the part being replaced. Proper matching helps maintain dependable water flow, control function, sealing performance, and safe equipment operation. Professional installation is recommended for electrical, gas, pressure, or heater-related repairs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Waterway Plastics pool, spa, or bath equipment.\u003c\/li\u003e\n\u003cli\u003eUseful for targeted check valve replacement without replacing a larger assembly.\u003c\/li\u003e\n\u003cli\u003eHelps restore proper fit, function, sealing, flow control, or equipment operation.\u003c\/li\u003e\n\u003cli\u003eVerify size, configuration, color, voltage, port style, and model compatibility before purchase.\u003c\/li\u003e\n\u003cli\u003eMatch the listed part number and product details to the original component whenever possible.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255578448,"sku":"600-5000","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-5000.jpg?v=1486202001"},{"product_id":"718-7021-cpvc","title":"Waterway Check Valve Lock Ring (718-7021-CPVC)","description":"\u003cp\u003eThe Waterway 718-7021-CPVC lock ring is designed for compatible Waterway check valve applications. A lock ring like this is an important service component because it helps secure the valve assembly properly and contributes to the structural completeness of the connection.\u003c\/p\u003e\u003cp\u003eWhen a lock ring becomes cracked, stripped, or missing, the check valve may no longer feel as reliable or serviceable as it should. Replacing the worn hardware with the correct Waterway part can help restore a better fit and improve the overall condition of the valve assembly.\u003c\/p\u003e\u003cp\u003eFor check valve maintenance and hardware replacement, this Waterway lock ring is a practical repair part that helps support cleaner and more dependable reassembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWaterway check valve lock ring\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Waterway check valve assemblies\u003c\/li\u003e\n\u003cli\u003eHelps secure the valve structure in place\u003c\/li\u003e\n\u003cli\u003eUseful for replacing damaged or missing hardware\u003c\/li\u003e\n\u003cli\u003eSupports a more complete and dependable valve assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255580752,"sku":"718-7021-CPVC","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/718-7021-CPVC.jpg?v=1486202003"},{"product_id":"600-4000","title":"Waterway Check Valve Tee [1\" Slip x 1\" Slip] (600-4000)","description":"\u003cp\u003eWaterway Check Valve Tee [1\" Slip x 1\" Slip] (600-4000) is a replacement component for service technicians, maintenance teams, and homeowners working on compatible pool, spa, or bath systems.  Manufactured by Waterway Plastics, this item is intended for use with compatible pool, spa, and bath equipment where the original specifications match.  As a fittings \u0026amp; valves: check valves item, it is designed to help control one-way water movement and reduce unwanted backflow in pool, spa, and bath plumbing systems.  Use part number 600-4000 when matching this item to diagrams, service records, or an existing component. Key identifying details include 1\" Slip x 1\" Slip.\u003c\/p\u003e\u003cp\u003eThis part is a strong choice when the existing component is cracked, worn, missing, leaking, corroded, difficult to operate, or no longer performing as expected. Before installation, compare the full product title, connection style, size references, color, voltage or amperage details when present, and the listed part number against the part being replaced. Proper matching helps maintain dependable water flow, control function, sealing performance, and safe equipment operation. Professional installation is recommended for electrical, gas, pressure, or heater-related repairs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Waterway Plastics pool, spa, or bath equipment.\u003c\/li\u003e\n\u003cli\u003eUseful for targeted check valve replacement without replacing a larger assembly.\u003c\/li\u003e\n\u003cli\u003eHelps restore proper fit, function, sealing, flow control, or equipment operation.\u003c\/li\u003e\n\u003cli\u003eVerify size, configuration, color, voltage, port style, and model compatibility before purchase.\u003c\/li\u003e\n\u003cli\u003eMatch the listed part number and product details to the original component whenever possible.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255585872,"sku":"600-4000","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-4000.jpg?v=1486202007"},{"product_id":"600-7000","title":"Waterway Check Valve With 90° Body [2\" Slip or 2-1\/2\" Spigot] (600-7000)","description":"\u003cp\u003eThe Waterway 600-7000 check valve is designed with a 90 degree body for compatible plumbing systems using either a 2 inch slip or 2-1\/2 inch spigot connection. This style is especially useful because it combines one-way flow control with a directional turn, helping simplify the plumbing layout in tighter equipment areas.\u003c\/p\u003e\u003cp\u003eInstead of using a separate elbow and valve, a 90 degree body can create a more compact installation and reduce fitting count. That makes it a strong choice where space matters and the system still needs dependable check-valve protection against reverse flow.\u003c\/p\u003e\u003cp\u003eFor compatible pool and spa plumbing, this Waterway check valve offers a practical combination of compact routing and one-way flow control in a single assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWaterway check valve with 90 degree body\u003c\/li\u003e\n\u003cli\u003e2 inch slip or 2-1\/2 inch spigot connection\u003c\/li\u003e\n\u003cli\u003eCombines one-way flow control with a directional turn\u003c\/li\u003e\n\u003cli\u003eUseful in tighter plumbing layouts\u003c\/li\u003e\n\u003cli\u003eSupports a cleaner and more efficient installation path\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255585936,"sku":"600-7000","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-7000.jpg?v=1486202008"},{"product_id":"600-7010","title":"Waterway Check Valve With Straight Body [2\" Slip or 2-1\/2\" Spigot] (600-7010)","description":"\u003cp\u003eThe Waterway 600-7010 check valve is designed with a straight body for compatible plumbing systems using either a 2 inch slip or 2-1\/2 inch spigot connection. A straight-body check valve is useful where the system needs reliable one-way flow control without introducing an unnecessary turn in the line.\u003c\/p\u003e\u003cp\u003eThis design can be especially practical in longer plumbing runs where maintaining a direct flow path is preferred. Selecting the right Waterway straight-body valve helps support cleaner system layout and dependable protection against unwanted backflow.\u003c\/p\u003e\u003cp\u003eFor compatible pool and spa plumbing assemblies, this Waterway check valve is a strong replacement option when direct-line one-way flow control is needed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWaterway straight-body check valve\u003c\/li\u003e\n\u003cli\u003e2 inch slip or 2-1\/2 inch spigot connection\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way flow in a direct line path\u003c\/li\u003e\n\u003cli\u003eUseful for repair and replacement plumbing work\u003c\/li\u003e\n\u003cli\u003eSupports cleaner routing and dependable valve performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28255586000,"sku":"600-7010","price":39.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-7010.jpg?v=1486202009"},{"product_id":"550-6810","title":"Waterway In-Line Restrictor Valve [2\"] [1.25-2 lbs.] [2\"] (550-6810)","description":"\u003cp\u003eThe Waterway In-Line Restrictor Valve [2\"] [1.25-2 lbs.] [2\"] from Waterway Plastics helps technicians and pool owners complete a focused repair while keeping the original equipment layout intact. It is listed under Fittings \u0026amp; Valves: Check Valves and is suited for flow-control and backflow-prevention repairs where the existing equipment still has service life but a specific component needs attention. This product is best selected by the exact part number, visible configuration, and the measurements or connection notes shown in the title. Key details listed for this item include 2\", 1.25-2 lbs., 2\".\u003c\/p\u003e\u003cp\u003eFor plumbing fittings and valves, small differences in slip, spigot, threaded, barb, or union connections can determine whether the repair fits correctly. For best results, match this item to the original part number and inspect adjacent seals, fasteners, and mating surfaces during service. A careful installation helps reduce leaks, vibration, premature wear, and repeat service calls. Replacing a small failed component at the right time can prevent larger equipment issues and unnecessary downtime. This description is written to help confirm application intent, but final fit should always be checked against the original part, equipment manual, or manufacturer diagram.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck slip, spigot, threaded, barb, union, or valve sizing before installation\u003c\/li\u003e\n\u003cli\u003eHelps restore water flow through compatible pool or spa plumbing assemblies\u003c\/li\u003e\n\u003cli\u003eInspect nearby gaskets, O-rings, and unions during replacement\u003c\/li\u003e\n\u003cli\u003eUseful for leak repair, equipment-pad service, or plumbing rebuilds\u003c\/li\u003e\n\u003cli\u003eUse part number 550-6810 and the listed connection style to confirm fit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28256170000,"sku":"550-6810","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0634.jpg?v=1778992224"},{"product_id":"600-1151","title":"Waterway Off-Line\/Above Grnd Chlorinators Bottom Check Valve Assembly (600-1151)","description":"\u003cp\u003eWaterway Off-Line\/Above Grnd Chlorinators Bottom Check Valve Assembly (600-1151) is a replacement component for service technicians, maintenance teams, and homeowners working on compatible pool, spa, or bath systems.  Manufactured by Waterway Plastics, this item is intended for use with compatible pool, spa, and bath equipment where the original specifications match.  As a fittings \u0026amp; valves: check valves item, it is designed to help control one-way water movement and reduce unwanted backflow in pool, spa, and bath plumbing systems.  Use part number 600-1151 when matching this item to diagrams, service records, or an existing component.\u003c\/p\u003e\u003cp\u003eThis part is a strong choice when the existing component is cracked, worn, missing, leaking, corroded, difficult to operate, or no longer performing as expected. Before installation, compare the full product title, connection style, size references, color, voltage or amperage details when present, and the listed part number against the part being replaced. Proper matching helps maintain dependable water flow, control function, sealing performance, and safe equipment operation. Professional installation is recommended for electrical, gas, pressure, or heater-related repairs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Waterway Plastics pool, spa, or bath equipment.\u003c\/li\u003e\n\u003cli\u003eUseful for targeted check valve replacement without replacing a larger assembly.\u003c\/li\u003e\n\u003cli\u003eHelps restore proper fit, function, sealing, flow control, or equipment operation.\u003c\/li\u003e\n\u003cli\u003eVerify size, configuration, color, voltage, port style, and model compatibility before purchase.\u003c\/li\u003e\n\u003cli\u003eMatch the listed part number and product details to the original component whenever possible.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28256821968,"sku":"600-1151","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-1151.jpg?v=1486203565"},{"product_id":"600-1100","title":"Waterway Poly Jet Barb Air Check Valve Assembly (600-1100)","description":"\u003cp\u003eThe Waterway 600-1100 Poly Jet barb air check valve assembly is designed for compatible air-line applications in spa and hydrotherapy systems. Air check valves are especially useful because they help maintain intended one-way movement in the air line and support more controlled operation of the connected system.\u003c\/p\u003e\u003cp\u003eA barb-style assembly is practical where flexible tubing is part of the installation, making this Waterway component a useful choice for air-line service and replacement work. When an existing air check valve becomes unreliable or worn, replacing it with the correct assembly can help restore system confidence.\u003c\/p\u003e\u003cp\u003eFor compatible spa air plumbing, this Waterway air check valve assembly offers a dependable way to support proper air-line behavior and connection integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWaterway Poly Jet barb air check valve assembly\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible spa air-line systems\u003c\/li\u003e\n\u003cli\u003eHelps support one-way movement in the air line\u003c\/li\u003e\n\u003cli\u003eUseful for tubing-based air plumbing repairs\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable system operation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28256931728,"sku":"600-1100","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-1100.jpg?v=1486203722"},{"product_id":"600-8150","title":"Waterway Water Spring Check Valve [1-1\/2\" Slip] [8 lb.] (600-8150)","description":"\u003cp\u003eWaterway Water Spring Check Valve [1-1\/2\" Slip] [8 lb.] (600-8150) is a replacement component for service technicians, maintenance teams, and homeowners working on compatible pool, spa, or bath systems.  Manufactured by Waterway Plastics, this item is intended for use with compatible pool, spa, and bath equipment where the original specifications match.  As a fittings \u0026amp; valves: check valves item, it is designed to help control one-way water movement and reduce unwanted backflow in pool, spa, and bath plumbing systems.  Use part number 600-8150 when matching this item to diagrams, service records, or an existing component. Key identifying details include 1-1\/2\" Slip, 8 lb., 8 lb.\u003c\/p\u003e\u003cp\u003eThis part is a strong choice when the existing component is cracked, worn, missing, leaking, corroded, difficult to operate, or no longer performing as expected. Before installation, compare the full product title, connection style, size references, color, voltage or amperage details when present, and the listed part number against the part being replaced. Proper matching helps maintain dependable water flow, control function, sealing performance, and safe equipment operation. Professional installation is recommended for electrical, gas, pressure, or heater-related repairs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Waterway Plastics pool, spa, or bath equipment.\u003c\/li\u003e\n\u003cli\u003eUseful for targeted check valve replacement without replacing a larger assembly.\u003c\/li\u003e\n\u003cli\u003eHelps restore proper fit, function, sealing, flow control, or equipment operation.\u003c\/li\u003e\n\u003cli\u003eVerify size, configuration, color, voltage, port style, and model compatibility before purchase.\u003c\/li\u003e\n\u003cli\u003eMatch the listed part number and product details to the original component whenever possible.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waterway Plastics","offers":[{"title":"Default Title","offer_id":28258548944,"sku":"600-8150","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/600-8150.jpg?v=1486205663"},{"product_id":"25069-000-000","title":"CMP Spring Check Valve [1\/4 lb] [1-1\/2\" Slip] [w\/Union] [Air] (25069-000-000)","description":"\u003cp\u003eWhen a repair calls for the exact style, finish, and part reference, CMP Spring Check Valve [1\/4 lb] [1-1\/2\" Slip] [w\/Union] [Air] (25069-000-000) helps keep the installation clean, compatible, and easier to verify before assembly. Check valves help control flow direction and reduce unwanted backflow. Match plumbing size, spring rating, union style, and application type before installing the replacement. For SEO and product identification, the most important details are the manufacturer, the series, the operating style, and the exact part number 25069-000-000. Installation should follow the equipment manufacturer's service guidance. For plumbing, electrical, heater, suction, and chemical-feed repairs, professional installation is recommended when the system requires bonding, wiring, pressure testing, or code-sensitive work.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMatches part number 25069-000-000 for easier cross-checking during repair\u003c\/li\u003e\n\u003cli\u003eDesigned for pool and spa component applications from Custom Molded Products (CMP)\u003c\/li\u003e\n\u003cli\u003eSupports reliable system operation in compatible fittings \u0026amp; valves: check valves installations\u003c\/li\u003e\n\u003cli\u003eKey identifying details: 1\/4 lb, 1-1\/2\" Slip, w\/Union, Air\u003c\/li\u003e\n\u003cli\u003eBest matched by part number, dimensions, series, and visual style before ordering\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Molded Products (CMP)","offers":[{"title":"Default Title","offer_id":28438174032,"sku":"25069-000-000","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0234.jpg?v=1778992046"},{"product_id":"25067-000-000","title":"CMP Spring Check Valve [2\" Spigot\/1-1\/2\" Slip] [1\/4 lb] [Air] (25067-000-000)","description":"\u003cp\u003eThe CMP spring check valve is designed for compatible air-line applications where a 2 inch spigot by 1-1\/2 inch slip one-way valve is needed. A spring check valve is useful because it helps prevent reverse flow while the spring-assisted design supports dependable closing action in the supported system.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve is sticking, leaking, or no longer responding correctly. Matching the proper 1\/4 pound air-line configuration helps preserve intended fit and operating behavior.\u003c\/p\u003e\u003cp\u003eThe 25067-000-000 is a practical service part when a compatible system needs a spring check valve to restore dependable one-way air-flow control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCMP spring check valve\u003c\/li\u003e\n\u003cli\u003e2 inch spigot by 1-1\/2 inch slip configuration\u003c\/li\u003e\n\u003cli\u003e1\/4 pound air-line setup\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is leaking or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable one-way flow performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Molded Products (CMP)","offers":[{"title":"Default Title","offer_id":28438174096,"sku":"25067-000-000","price":21.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/coming_soon_817ec837-3dac-41b0-a0c8-fc26b70f6425.jpg?v=1486417068"},{"product_id":"0823-20c","title":"Magic Plastics Smart Check Valve [2\" Slip] [1\/2 lb] [Water] (0823-20C)","description":"\u003cp\u003eA check valve helps provide one-way water control in a compatible plumbing system, and this Magic Plastics Smart Check version is a 2 inch slip model with a 1\/2 pound water setting using the 0823-20C reference. Check valves are useful because they help prevent unwanted reverse flow that can interfere with normal system operation.\u003c\/p\u003e\u003cp\u003eThis part has practical value because the 2 inch slip format and specific pressure setting help preserve the intended plumbing and operating characteristics of the original installation. A properly selected Magic Plastics check valve contributes to more dependable directional flow control and more accurate replacement results.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the original valve is leaking back, sticking, or no longer operating smoothly. That helps restore one-way water flow with a direct-fit replacement.\u003c\/p\u003e\u003cp\u003eInstalled in the proper application, this check valve helps support dependable backflow prevention and stronger long-term plumbing confidence.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 inch slip Smart Check valve from Magic Plastics with 1\/2 pound water setting\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way flow in compatible plumbing systems\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn or leaking original check valve\u003c\/li\u003e\n\u003cli\u003eSupports dependable directional control and system reliability\u003c\/li\u003e\n\u003cli\u003eImproves replacement confidence and plumbing performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":43806486266011,"sku":"0823-20C","price":43.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0274.jpg?v=1778992070"},{"product_id":"73002","title":"Balboa Clim8Zone 2\" High Amp Check Valve (73002)","description":"\u003cp\u003eCheck valves play an important role in keeping flow moving the way a system expects, especially when the goal is to prevent unwanted backflow from interfering with performance. This Clim8Zone 2 inch high amp check valve is designed for compatible applications where that kind of flow control matters and the original valve is no longer doing its job reliably.\u003c\/p\u003e\n\u003cp\u003eWhen a check valve wears out, the result can be less obvious than a visible leak but just as frustrating. Flow behavior may become less stable, certain functions may not feel as consistent, and the system can lose the controlled path it was built to maintain. Replacing the correct valve helps restore that one-way protection at the point where it is needed.\u003c\/p\u003e\n\u003cp\u003eThe 2 inch size and high amp designation help define the intended application, which is exactly why proper matching matters. A valve that is correct for the system helps the plumbing feel more secure and the overall equipment behavior more predictable.\u003c\/p\u003e\n\u003cp\u003eOnce installed in the right Clim8Zone setup, this check valve helps support cleaner flow control and gives the system a more dependable operating feel overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 inch check valve for compatible Clim8Zone applications\u003c\/li\u003e\n\u003cli\u003eHelps prevent unwanted backflow in the plumbing path\u003c\/li\u003e\n\u003cli\u003eUseful when original valve performance becomes unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more predictable system flow\u003c\/li\u003e\n\u003cli\u003eImproves confidence in plumbing-side control behavior\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Balboa Water Group","offers":[{"title":"Default Title","offer_id":44615700840603,"sku":"73002","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0912.jpg?v=1778992346"},{"product_id":"25830-410-000","title":"CMP 2\" Corrosion Resistant Serviceable Check Valve [White] (25830-410-000)","description":"\u003cp\u003eCMP 2\" Corrosion Resistant Serviceable Check Valve [White] part number 25830-410-000 is a Custom Molded Products (CMP) replacement part for check valve replacement, built to support dependable water movement, sealing, routing, or feature operation in compatible pool and spa systems. It can be used when an original fitting, valve, drain, leveler part, or water feature component has cracked, worn out, become difficult to service, or needs to be matched during a renovation.  Key product details include White. Plumbing parts should be selected carefully because slip, spigot, threaded, union, MPT, FIP, and barb connections are not interchangeable. Confirm the part number, color, size, and application before installation so the repair aligns with the existing system and minimizes rework. For best results, review the existing installation before ordering and keep 25830-410-000 available for future service notes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports plumbing repairs, water routing, sealing, or fixture replacement\u003c\/li\u003e\n\u003cli\u003eMatch slip, spigot, threaded, barb, MPT, FIP, or union details carefully\u003c\/li\u003e\n\u003cli\u003eHelpful for replacing cracked, worn, faded, or hard-to-service components\u003c\/li\u003e\n\u003cli\u003eVerify color, diameter, depth, and part number against the original part\u003c\/li\u003e\n\u003cli\u003eProper fit helps reduce leaks, rework, and unnecessary system downtime\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Molded Products (CMP)","offers":[{"title":"Default Title","offer_id":44635087405211,"sku":"25830-410-000","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/25830-410-000_XL.jpg?v=1713671645"},{"product_id":"25830-500-000","title":"CMP 1\/4 Pound Serviceable Check Valve [2\" S x 2.5\" SPG] (25830-500-000)","description":"\u003cp\u003eThe CMP serviceable check valve is designed for compatible plumbing applications where a 2 inch slip by 2.5 inch spigot one-way valve is needed. A check valve is useful because it helps prevent reverse flow in the system, while the serviceable design makes future maintenance more convenient and cost-effective.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve is sticking, leaking, or no longer closing correctly. The 1\/4 pound configuration supports the intended flow response for the supported installation.\u003c\/p\u003e\u003cp\u003eThe 25830-500-000 is a practical service part when a compatible plumbing system needs a serviceable check valve to restore dependable one-way flow control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCMP serviceable check valve\u003c\/li\u003e\n\u003cli\u003e2 inch slip by 2.5 inch spigot configuration\u003c\/li\u003e\n\u003cli\u003e1\/4 pound setup\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is leaking or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable plumbing performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Molded Products (CMP)","offers":[{"title":"Default Title","offer_id":44635087437979,"sku":"25830-500-000","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/25830-500-000_XL.jpg?v=1713671646"},{"product_id":"25830-350-000","title":"CMP 1.5\" Corrosion Resistant Serviceable Check Valve (25830-350-000)","description":"\u003cp\u003eThe CMP 1.5 inch corrosion-resistant serviceable check valve is designed for compatible plumbing applications where dependable one-way flow control is needed. A check valve is useful because it helps prevent reverse flow in the system, supporting cleaner circulation behavior and protecting related equipment from unwanted backflow.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve is sticking, leaking, or no longer sealing correctly. The serviceable design also makes future maintenance easier, while the corrosion-resistant construction supports longer-term durability in demanding environments.\u003c\/p\u003e\u003cp\u003eThe 25830-350-000 is a practical service part when a compatible plumbing system needs a check valve to restore dependable one-way flow control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCMP 1.5 inch serviceable check valve\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eHelps restore proper one-way flow support\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is leaking or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable plumbing performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Molded Products (CMP)","offers":[{"title":"Default Title","offer_id":44635087470747,"sku":"25830-350-000","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/25830-350-000_XL.jpg?v=1713671646"},{"product_id":"v20-339","title":"Val-Pak 1-1\/2\" MPT Spring Return Line Check Valve (V20-339)","description":"\u003cp\u003eThe Val-Pak 1-1\/2 inch MPT spring return line check valve is designed for compatible plumbing applications where one-way flow control is needed on a return line. A spring check valve is useful because it helps discourage unwanted backflow while creating a more controlled and predictable direction of water movement through the system.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve has started sticking, leaking backward, or no longer sealing consistently once flow stops. In return-line plumbing, restoring the check valve can help improve overall system behavior and reduce the kind of flow reversal that creates nuisance issues during operation or shutdown.\u003c\/p\u003e\u003cp\u003eThe threaded 1-1\/2 inch MPT connection makes this a practical option for supported installations that need a more direct replacement rather than a workaround fitting solution.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVal-Pak 1-1\/2 inch MPT spring return line check valve\u003c\/li\u003e\n\u003cli\u003eHelps maintain one-way flow in compatible return-line plumbing\u003c\/li\u003e\n\u003cli\u003eSpring-loaded design for more controlled valve action\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is sticking or allowing backflow\u003c\/li\u003e\n\u003cli\u003eThreaded format supports straightforward service replacement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Val-Pak Products","offers":[{"title":"Default Title","offer_id":44652482658459,"sku":"V20-339","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-110-1870_XL.jpg?v=1713937099"},{"product_id":"v20-342","title":"Val-Pak 1-1\/2\" MPT Spring Return Line Check Valve [Lt Gray] [Spa] (V20-342)","description":"\u003cp\u003eThe Val-Pak 1-1\/2 inch MPT spring return line check valve in light gray is designed for compatible spa applications where the return line needs dependable one-way flow control. Check valves are useful because they help keep system water moving in the intended direction and can reduce unwanted flow reversal once circulation changes or stops.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original valve has lost sealing consistency, sticks under normal use, or simply no longer performs with confidence. In spa systems, a properly working return-line check valve can contribute to cleaner hydraulic behavior and a more predictable equipment response.\u003c\/p\u003e\u003cp\u003eThe light gray finish makes this a smart option for installations where the replacement should not only fit correctly but also look more at home with the surrounding plumbing and spa hardware.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVal-Pak 1-1\/2 inch MPT spring return line check valve in light gray\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible spa return-line plumbing\u003c\/li\u003e\n\u003cli\u003eHelps support one-way flow and reduce reverse movement\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is sticking or leaking backward\u003c\/li\u003e\n\u003cli\u003eLight gray finish blends well with many spa-system components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Val-Pak Products","offers":[{"title":"Default Title","offer_id":44652482953371,"sku":"V20-342","price":29.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-402-1810_XL.jpg?v=1713937106"},{"product_id":"v20-340","title":"Val-Pak Generic 1-1\/2\" Spa Return Line Check Valve (V20-340)","description":"\u003cp\u003eThe Val-Pak generic 1-1\/2 inch spa return line check valve is designed for compatible spa plumbing applications where one-way flow needs to be preserved on the return side of the system. In spa equipment layouts, return-line check valves are especially useful for maintaining more stable water direction and reducing the chance of unwanted reversal when circulation shifts.\u003c\/p\u003e\u003cp\u003eThis replacement is particularly valuable when the original valve is sticking, leaking backward, or simply no longer dependable after years of heat and chemical exposure. A fresh check valve can help restore more controlled system behavior without requiring a larger plumbing overhaul.\u003c\/p\u003e\u003cp\u003eThe V20-340 is a sensible replacement for buyers who want to keep spa return-line plumbing functioning the way it was intended without overcomplicating the repair.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVal-Pak generic 1-1\/2 inch spa return line check valve\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible spa plumbing systems\u003c\/li\u003e\n\u003cli\u003eHelps preserve one-way flow on the return line\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is leaking or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner hydraulic behavior in spa equipment setups\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Val-Pak Products","offers":[{"title":"Default Title","offer_id":44652482986139,"sku":"V20-340","price":29.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-612-1000_XL.jpg?v=1713937106"},{"product_id":"v20-341","title":"Val-Pak 1-1\/2\" MPT Spring Return Line Check Valve [Dk Gray] [Spa] (V20-341)","description":"\u003cp\u003eThe Val-Pak 1-1\/2 inch MPT spring return line check valve in dark gray is designed for compatible spa plumbing applications where controlled one-way flow is needed on the return side. A spring-return check valve is a valuable part of the system because it helps reduce reverse flow and supports cleaner hydraulic behavior once circulation changes or shuts down.\u003c\/p\u003e\u003cp\u003eThis version is especially useful when the original spa check valve is no longer seating reliably, has become worn, or is allowing water to move in the wrong direction after the pump cycle changes. The dark gray finish also helps it blend more naturally with spa plumbing layouts that use darker fittings and equipment accents.\u003c\/p\u003e\u003cp\u003eThe V20-341 is a strong service choice when a compatible spa system needs a return-line check valve replacement that restores both function and cleaner visual consistency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVal-Pak 1-1\/2 inch MPT spring return line check valve in dark gray\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible spa return-line applications\u003c\/li\u003e\n\u003cli\u003eHelps reduce backflow and support one-way water movement\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is worn or unreliable\u003c\/li\u003e\n\u003cli\u003eDarker finish offers a cleaner match in many spa equipment areas\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Val-Pak Products","offers":[{"title":"Default Title","offer_id":44652483018907,"sku":"V20-341","price":40.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-402-1800_XL.jpg?v=1713937106"},{"product_id":"v20-343","title":"Val-Pak 1-1\/2\" Slip Spring Return Line Check Valve (V20-343)","description":"\u003cp\u003eThe Val-Pak 1-1\/2 inch slip spring return line check valve is designed for compatible plumbing systems that use slip connections and need dependable one-way flow control on the return line. A valve like this is useful because it helps manage water direction cleanly without requiring more complicated control hardware in the line.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original check valve is no longer closing properly, has become unreliable with age, or is contributing to backflow issues after system shutdown. In slip-connected plumbing runs, having the right valve format can make the repair feel far more intentional and less improvised.\u003c\/p\u003e\u003cp\u003eThe V20-343 is a practical service part for maintaining orderly return-line performance and restoring confidence in the flow direction of a compatible system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVal-Pak 1-1\/2 inch slip spring return line check valve\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible slip-plumbed return-line systems\u003c\/li\u003e\n\u003cli\u003eHelps support one-way flow and reduce backflow concerns\u003c\/li\u003e\n\u003cli\u003eUseful when the original valve is worn or no longer sealing correctly\u003c\/li\u003e\n\u003cli\u003eSlip format supports cleaner installation in supported plumbing runs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Val-Pak Products","offers":[{"title":"Default Title","offer_id":44652483084443,"sku":"V20-343","price":46.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-110-1875_XL.jpg?v=1713937107"},{"product_id":"co-0103","title":"DEL Ozone DELCheck 2\" Check Valve (CO-0103)","description":"\u003cp\u003eA check valve helps control one-way flow and can play an important protective role in ozone-related plumbing, and this DEL Ozone DELCheck valve is designed for compatible 2 inch applications where a dependable flow-direction component is needed. When a check valve becomes worn, stuck, or unreliable, system protection and flow control can become less dependable than they should be.\u003c\/p\u003e\n\u003cp\u003eThe DELCheck design and 2 inch sizing give this part practical value because flow-control components work best when the replacement matches the original plumbing relationship closely. A properly selected check valve helps restore intended one-way flow support and contributes to cleaner system operation.\u003c\/p\u003e\n\u003cp\u003eThis type of component is especially useful when the surrounding ozone system remains serviceable and the issue is centered on the valve itself. That keeps the repair focused while restoring an important support part.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this check valve helps restore dependable flow-direction control and contributes to better ozone-system protection overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 inch check valve for compatible DEL Ozone applications\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUseful when original check valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner plumbing protection\u003c\/li\u003e\n\u003cli\u003eImproves service confidence and system reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Del Ozone","offers":[{"title":"Default Title","offer_id":44739614965915,"sku":"CO-0103","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/CO-0103_XL.jpg?v=1715147438"},{"product_id":"1520c15","title":"Flo Control 1-1\/2\" Slip Swing Check Valve (1520C15)","description":"\u003cp\u003eA swing check valve helps control one-way flow in a compatible plumbing system, and this Flo Control valve is designed with 1-1\/2 inch slip connections for matching applications using the 1520C15 reference. When a check valve becomes unreliable or fails to close as intended, the plumbing system can lose dependable directional flow control.\u003c\/p\u003e\u003cp\u003eThe 1-1\/2 inch slip format and swing-check design give this valve practical value because plumbing components work best when the replacement matches the intended pipe size and original valve style. A properly selected valve helps restore intended one-way water movement and contributes to cleaner circulation performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the larger plumbing assembly remains serviceable and the issue is centered on the valve alone. That keeps the repair focused and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this swing check valve helps restore dependable backflow control and contributes to better overall plumbing-system operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1-1\/2 inch slip swing check valve for compatible plumbing applications\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUseful when original check valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner circulation-system performance\u003c\/li\u003e\n\u003cli\u003eImproves service confidence and plumbing reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":44739621585051,"sku":"1520C15","price":56.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-350-1200_XL.jpg?v=1715147499"},{"product_id":"1700-15","title":"Flo Control 1-1\/2\" Slip Swing Check Valve [True Union] [White] (1700-15)","description":"\u003cp\u003eA true-union swing check valve helps maintain one-way water flow in a compatible plumbing system while also allowing easier removal and service, and this Flo Control valve is designed with 1-1\/2 inch slip connections in a white true-union format using the 1700-15 reference. When a check valve needs replacement or routine service, a true-union design can simplify access compared with fixed plumbing connections.\u003c\/p\u003e\u003cp\u003eThe 1-1\/2 inch size, true-union construction, and white body give this valve practical value because flow-control components work best when the replacement matches the intended plumbing size and also supports efficient maintenance. A properly selected valve helps restore intended backflow control and contributes to cleaner serviceability.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when easy future removal is important in the plumbing layout. That makes the union design a practical long-term advantage.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this true-union swing check valve helps restore dependable one-way flow control and contributes to better overall plumbing performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1-1\/2 inch slip true-union swing check valve\u003c\/li\u003e\n\u003cli\u003eWhite body supports matching plumbing installations\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUnion design supports easier service and removal\u003c\/li\u003e\n\u003cli\u003eImproves plumbing reliability and maintenance convenience\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":44739623059611,"sku":"1700-15","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-350-1144_XL.jpg?v=1715147506"},{"product_id":"1520-07","title":"Flo Control 3\/4\" Slip Swing Check Valve (1520-07)","description":"\u003cp\u003eThe Flo Control 3\/4\" Slip Swing Check Valve is a plumbing replacement part used to repair, connect, control, or redirect water flow in a compatible pool, spa, or bath system. Fittings and valves should be selected by pipe size, connection type, pressure rating, body style, and the exact repair application. Replacing a worn valve, plug, adapter, check valve, or fitting can help reduce leaks, improve serviceability, and restore proper flow through the equipment pad or vessel plumbing. Dry-fit and compare to the existing part before final installation, especially where slip, spigot, threaded, union, or specialty dimensions are involved. Manufacturer or brand reference: Flo Control. Part number: 1520-07.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for compatible Flo Control equipment or replacement applications\u003c\/li\u003e\n\u003cli\u003eUseful for replacing a worn, damaged, missing, or service-aged original component\u003c\/li\u003e\n\u003cli\u003eHelps manage plumbing connection, repair, direction, or flow-control needs\u003c\/li\u003e\n\u003cli\u003eConfirm pipe size, connection type, and installation orientation before use\u003c\/li\u003e\n\u003cli\u003ePart number 1520-07 should be used as the primary compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":44739623092379,"sku":"1520-07","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/1520-07_XL.jpg?v=1715147506"},{"product_id":"1011-10","title":"Flo Control 1\" Slip Swing Water 1011 Check Valve [1\/2lb] (1011-10)","description":"\u003cp\u003eA swing check valve helps control one-way water flow in a compatible plumbing system, and this Flo Control valve is designed with 1 inch slip connections and a 1\/2 pound swing-water configuration using the 1011-10 reference. When a check valve no longer seals or moves as intended, water control can become less reliable than it should be.\u003c\/p\u003e\u003cp\u003eThe 1 inch slip format and 1\/2 pound swing design give this valve practical value because flow-control components work best when the replacement matches the plumbing size and operating characteristics of the original system. A properly selected valve helps restore intended one-way flow control and contributes to cleaner circulation performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the plumbing assembly remains serviceable and the issue is centered on backflow prevention or inconsistent internal movement. That keeps the repair focused and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this check valve helps restore dependable one-way water control and contributes to better overall plumbing performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 inch slip swing check valve with 1\/2 pound swing-water configuration\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUseful when original check valves no longer seal or swing properly\u003c\/li\u003e\n\u003cli\u003eSupports cleaner circulation-system operation\u003c\/li\u003e\n\u003cli\u003eImproves service confidence and plumbing reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":44739623157915,"sku":"1011-10","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-350-1102_XL.jpg?v=1715147506"},{"product_id":"1520-10","title":"Flo Control 1\" Slip Swing Water 1500 Check Valve (1520-10)","description":"\u003cp\u003eA swing check valve helps maintain one-way water movement in a compatible plumbing system, and this Flo Control valve is designed with 1 inch slip connections for 1500-series applications using the 1520-10 reference. When a check valve becomes unreliable, the plumbing system can lose the directional flow control it should provide.\u003c\/p\u003e\u003cp\u003eThe 1 inch slip format and 1500-series design give this valve practical value because check valves work best when the replacement matches the intended pipe size and original valve style. A properly selected valve helps restore intended backflow control and contributes to cleaner circulation performance.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the broader plumbing system remains serviceable and the issue is centered on the valve itself. That keeps the repair targeted and efficient.\u003c\/p\u003e\u003cp\u003eInstalled in the proper setup, this check valve helps restore dependable one-way water flow and contributes to better overall plumbing-system operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 inch slip swing check valve for compatible 1500-series applications\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable one-way flow control\u003c\/li\u003e\n\u003cli\u003eUseful when original check valves are worn or unreliable\u003c\/li\u003e\n\u003cli\u003eSupports cleaner circulation performance\u003c\/li\u003e\n\u003cli\u003eImproves service confidence and plumbing reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flo Control","offers":[{"title":"Default Title","offer_id":44739623256219,"sku":"1520-10","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/26-350-1205_XL.jpg?v=1715147506"}],"url":"https:\/\/www.bathandspaparts.com\/en-ca\/collections\/pvc-plastic-fittings-valves-valves-check-valves.oembed?page=8","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}