Watts RK 957/957RPDA-RC4 6 - Part of the RK-957/957RPDA Series ADA Pad a self-locking ductile iron dome

a self-locking ductile iron dome

Composed of 23 gauge galvanized steel

ZN199-DC-4NH

Z551-3NL-VP

Watts RK 957/957RPDA-RC4 6 - Part of the RK-957/957RPDA Series ADA Pad a self-locking ductile iron domeThis 6 inch relief valve rubber parts with EPDM disc 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. Features Factory replacement kit No special tools required for