Waterway 1/2" NHR Filter On/Off Valve Drain Cap (519-0231)

Fittings & Valves: Caps
Waterway Plastics
519-0231
27-270-1010
COMPARE AT $9.20
OUR PRICE $4.95
STOCK STATUS IN STOCK Ships Usually the Same/Next Business Day
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$9.88 Standard Shipping
Under 25 lbs. Contiguous USA
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The Waterway 519-0231 drain cap is designed for compatible 1/2 inch NHR filter on/off valve applications where a proper closing cap is needed at the drain point. Small service parts like this are easy to overlook, but they play an important role in helping the assembly stay complete and function as intended during maintenance and operation.

When a drain cap is cracked, missing, or no longer sealing correctly, even routine service can become more frustrating and less confidence-inspiring. Replacing it with the correct Waterway part helps restore a cleaner finished condition and supports a more dependable valve assembly.

For filter valve maintenance and service repair, this Waterway drain cap is a practical replacement that helps bring the connection point back to a more secure and complete state.

  • Waterway drain cap for compatible 1/2 inch NHR filter on/off valve applications
  • Helps close and protect the valve drain point
  • Useful when the original cap is worn, cracked, or missing
  • Supports a cleaner and more complete valve assembly
  • Ideal for maintenance and replacement service work
Waterway Plastics – Spa Jets, Pumps, Filters, Valves and Pool & Spa Components
Who is Waterway Plastics?

Waterway Plastics is a leading manufacturer of pool and spa components, known for durable construction and broad product compatibility. With decades of experience, Waterway provides essential parts used in both residential and commercial aquatic systems.

What products does Waterway Plastics specialize in?

Waterway Plastics specializes in spa jets, pumps, filters, valves, manifolds, and plumbing components. Their product lineup includes critical parts used in spa and pool systems for water circulation, filtration, and hydrotherapy performance. Waterway components are widely used in both OEM and replacement applications.

Why choose Waterway Plastics parts for your pool or spa?

Waterway Plastics products are known for reliability, compatibility, and long-lasting performance. Their components are engineered to withstand water pressure, chemical exposure, and continuous operation. Spa owners and professionals choose Waterway for dependable parts that maintain system performance and extend equipment life.

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

To select the correct Waterway component, it’s important to match specifications such as size, connection type, jet style, and system compatibility. Reviewing model numbers and part dimensions ensures proper fit and function. Choosing the right part helps maintain efficient operation and optimal spa performance.

Need help finding the right Waterway Plastics part?

At Bath & Spa Parts Online, we carry a wide selection of Waterway 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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