Swimables SW-35-120 Pool Check Valve Replacement Parts The RP721 is built to

The RP721 is built to handle repeated emptying

clear pool water

reducing tangling and user fatigue

Slide valves manage the direction of water through the filter during normal operation and backwash cycles

Additionally

Swimables SW-35-120 Pool Check Valve Replacement Parts The RP721 is built toReliable Backflow Protection for Pool & Spa Plumbing Systems The Swimables Check Valve (SW 35 120) is a pool rated plumbing check valve designed to prevent unwanted backflow in residential swimming pool and spa systems. This valve allows water to flow in one direction while automatically closing if flow reverses, helping protect pumps, heaters, and sanitation equipment from damage caused by reverse water movement. Check valves are a critical component