Watts 0899220|WW0899220 - RK 957 957RPDA RC4 2-1/2 4 EPDM

This relief valve rubber parts kit includes the parts necessary to repair or replace the relief valve rubber parts of series 957, reduced pressure zone assembly, or reduced pressure detector assembly, series 957RPDA. This kit consists of all rubber parts necessary to repair the relief valve of the applicable valve. All parts are genuine and original to the valve.