This total rubber parts kit provides all the parts necessary to repair or replace the rubber parts on a 2 1/2 to 4 inch reduced pressure zone assembly backflow preventer, model 957 and reduced pressure detector assembly backflow preventer, model 957RPDA. This kit consists of first and second check module O-rings, 2 EPDM disc elastomers, 2 e-clips, relief valve diaphragm, relief valve inlet coupler O-ring, and relief valve piston assembly.
WATTS® Total Parts Kit, For Use With: Model 957/957N/957Z 2-1/2 to 4 in Reduced Pressure Zone Assembly
Domestic/Import
Domestic
Suitable For Use With
Model 957/957N/957Z 2-1/2 to 4 in Reduced Pressure Zone Assembly
- Parts are specific to valve size
- Factory replacement parts
- No special tools are required for servicing
- All parts are made of high quality materials