CMP Generic 2" Slide 1-1/2" Backwash Valve Piston Assy (25831-120-100) switches The SPX1070C is a practical

The SPX1070C is a practical service part when a compatible SP1070 style skimmer needs a lid to restore dependable access coverage

Waterway NEO 2100 spa pack adapter plate

including part number 672-7401

Replacing it can help improve how the vacuum setup works and restore a more dependable connection at the skimmer

For Clearwater II service work

CMP Generic 2" Slide 1-1/2" Backwash Valve Piston Assy (25831-120-100) switches The SPX1070C is a practicalThe 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