CMP Generic 2" Slide/1-1/2" Backwash Valve Piston Assy (25831-122-100) skimmers A major replacement like this

A major replacement like this is especially useful when the damage is too central for smaller repair parts to fully address

Seal-back components matter because they work together with related seal pieces to preserve the intended structure of the pump’s sealing section

0 HP motor in a 2-speed configuration rated at 16

A combined trim and fitting replacement makes it easier to bring the whole jet opening back to a cleaner

A part like this is useful because it restores the main trap body section within the assembly

CMP Generic 2" Slide/1-1/2" Backwash Valve Piston Assy (25831-122-100) skimmers A major replacement like thisThe CMP generic backwash valve piston assembly is designed for compatible slide valve applications where the internal piston section needs replacement. A piston assembly is useful because it helps control the internal flow path changes needed for normal filtration and backwash use, supporting dependable valve function. This replacement is especially useful when the original piston is worn, scored, sticking, leaking, or no longer sealing correctly.