Watts: 2 1/2" - 4" - Total Rubber (EPDM) Kit for a 957 Reduced Pressure Zone / 957RPDA Reduced Pressure Detector Assembly
(Same as 0889373)
Kit Includes:
1st Check Module O-Ring, 2nd Check Module O-Ring, 2 Red Silicone Check Discs, 2 Check E-Clips, Relief Valve Diaphragm, RV Inlet Coupler O-Ring, and RV Piston Assembly
