CMP Generic 2" Slide 1-1/2" Backwash Valve Piston Assy (25831-120-100) multitork This part has practical value

This part has practical value because the DPST-NO configuration and 18VDC coil rating help preserve intended compatibility in supported electrical systems

The white finish helps the visible face stay bright and easy to blend into many spa interiors

but clarity still matters

When a seat starts to lose its smoothness or structural confidence

The Hydro-Quip PH100-15UP 1

CMP Generic 2" Slide 1-1/2" Backwash Valve Piston Assy (25831-120-100) multitork This part has practical valueThe CMP generic backwash valve piston assembly is designed for compatible slide valve applications where the internal piston component needs replacement. A piston assembly is useful because it helps the valve open and close the intended flow paths during filtration and backwash operation, supporting dependable valve performance. This replacement is especially useful when the original piston is worn, scored, leaking, sticking, or no longer sealing