Pentair Sta-Rite GW9500 Cleaner Lift Brush Spring (GW9522) pushpullvalves A valve like this is

A valve like this is useful because it provides straightforward manual control over water direction

This tank lid is used with compatible PacFab FNS Plus 36 square foot DE filter systems where the upper housing requires replacement

AquaStar MoFlow 8 inch round main drain cover with frame in light gray

and system application before purchase

contributing to the feel and usefulness of the hydrotherapy experience

Pentair Sta-Rite GW9500 Cleaner Lift Brush Spring (GW9522) pushpullvalves A valve like this isThe lift brush spring helps maintain the tension needed for proper brush movement on the GW9500 cleaner. When the spring weakens, stretches, corrodes, or no longer holds the brush in position, cleaning performance can become less consistent. Replacing this spring helps the brush respond correctly during operation so the cleaner can continue lifting and guiding debris across pool surfaces. It is a small service part that can solve performance issues