Magic Plastics 2" S Smart-Check Check Valve (0821-20MC)

Fittings & Valves: Check Valves
Magic Plastics
0821-20MC
26-395-1121
COMPARE AT $62.99
OUR PRICE $46.99
STOCK STATUS IN STOCK Ships Usually the Same/Next Business Day
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Under 25 lbs. Contiguous USA
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A check valve helps control one-way flow in a compatible plumbing system, and this Magic Plastics Smart-Check version features a 2 inch slip configuration using the 0821-20MC reference. Check valves are useful because they help prevent unwanted reverse flow that can affect the performance of connected plumbing and equipment.

This part has practical value because the 2 inch slip Smart-Check format helps preserve intended compatibility in supported systems. A properly selected Magic Plastics check valve contributes to more dependable directional flow control and more accurate service results.

This type of part is especially useful when the original valve is sticking, leaking back, or no longer functioning correctly. That helps restore the intended one-way flow with a direct replacement designed for the application.

Installed in the proper application, this check valve helps support dependable backflow prevention and stronger long-term plumbing performance.

  • 2 inch slip Smart-Check check valve from Magic Plastics
  • Helps maintain one-way flow in compatible plumbing systems
  • Useful when replacing a worn or leaking original valve
  • Supports dependable backflow prevention and accurate service replacement
  • Improves plumbing reliability and long-term confidence
Magic Plastics – Pool Valves, Unions, Fittings and Plumbing Components
Who is Magic Plastics?

Magic Plastics is a leading manufacturer of PVC valves, unions, and plumbing components used in pool, spa, and irrigation systems. With over 40 years of experience, Magic Plastics has built a strong reputation for producing durable, high-performance products designed for reliable water flow and system control. Their components are widely used by pool professionals and homeowners for both new installations and repairs.

What products does Magic Plastics specialize in?

Magic Plastics specializes in pool valves, check valves, slice valves, unions, couplings, adapters, and plumbing fittings. Their product lineup includes essential components used to regulate water flow, isolate equipment, and connect plumbing systems. These parts are critical for maintaining proper circulation, filtration, and system efficiency in pool and spa applications.

Why choose Magic Plastics parts for your pool or spa?

Magic Plastics products are known for strength, reliability, and ease of installation. Their valves and fittings are engineered to withstand pressure, chemical exposure, and outdoor conditions commonly found in pool and spa systems. Professionals choose Magic Plastics for dependable components that ensure leak-free operation and long-term performance.

How do you identify and choose the correct Magic Plastics part?

To select the correct Magic Plastics component, it’s important to match pipe size, connection type, valve style, and system requirements. Reviewing product specifications and compatibility ensures proper fit and function. Choosing the right valve or fitting helps maintain efficient water flow and simplifies system maintenance.

Need help finding the right Magic Plastics part?

At Bath & Spa Parts Online, we carry a wide selection of Magic Plastics pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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