Pentair Sta-Rite GW9500 Cleaner Lift Brush Spring (GW9522) pushpullvalves Match by model series and

Match by model series and part number 018255F

and system application before purchase

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

That helps restore the heart of the wet end without replacing the complete pump

Pentair Sta-Rite GW9500 Cleaner Lift Brush Spring (GW9522) pushpullvalves Match by model series andThe 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