Waterway Spa Drain/Fill Valve [1-5/8" Acme Thread x 1" Slip] [Black] (640-2001) skimmerparts Matching the correct white cover

Matching the correct white cover helps preserve intended fit and maintain a clean finished look

Raypak bypass shaft

Helps provide simple countdown timing for compatible electrical loads

This replacement is especially useful when the original exchanger is leaking

Waterway Spa Drain/Fill Valve [1-5/8" Acme Thread x 1" Slip] [Black] (640-2001) skimmerparts Matching the correct white coverThe 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