Swimables Check Valve Flapper for Pentair Fix errors air can remain trapped inside

air can remain trapped inside the filter tank—leading to pressure spikes

chemical-free way to remove stubborn deposits from hard pool surfaces without draining water or adding harsh cleaners

Durable Vinyl Construction for Recreational Pools

Prevents water from entering the motor

Swimables Check Valve Flapper for Pentair Fix errors air can remain trapped insideReliable check valve operation is critical to protecting pool equipment from damaging backflow. The Swimables Corrosion Resistant Check Valve Flapper for Pentair (SW 32 042) is a direct fit replacement designed to restore proper one way water flow in Pentair style check valves used on pool and spa systems. When a check valve flapper becomes warped, brittle, or corroded, water can flow backward through the systemplacing unnecessary strain on pumps,