Waterway Spa Drain/Fill Valve [1-5/8" Acme Thread x 1" Slip] [Black] (640-2001)

Fittings & Valves: Misc Valves
Waterway Plastics
640-2001
27-270-2801
COMPARE AT $24.49
OUR PRICE $15.99
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Under 25 lbs. Contiguous USA
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The Waterway 640-2001 spa drain/fill valve is designed for compatible spa applications using a 1-5/8 inch Acme thread connection and a 1 inch slip outlet, and it features a black finish. A drain/fill valve like this is useful because it helps support controlled draining and filling functions within the spa system.

The black finish can help the component blend better into darker equipment or spa-side areas, while the specific thread and slip configuration helps preserve compatibility with the intended Waterway setup. Replacing a worn valve with the correct part can improve both serviceability and confidence in the connection.

For compatible spa drain and fill service work, this Waterway valve is a practical replacement when the correct thread format and black finish are both important.

  • Waterway spa drain/fill valve
  • 1-5/8 inch Acme thread x 1 inch slip connection
  • Black finish
  • Useful for controlled spa draining and filling applications
  • Supports proper compatibility and cleaner 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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