Description
Get your Pentair slide valve back in working order with the CMP Backwash Valve Piston Kit 25831-110-100. This aftermarket kit serves as a direct substitute for the Pentair 263055 piston shaft assembly and is commonly paired with FNS Plus DE filters. It contains the complete piston shaft assembly needed to restore proper backwash function, ensuring water flows correctly through your filtration system during cleaning cycles.
