Watts RK 957/957RPDA-RC4 8 - Part of the RK-957/957RPDA Series Z100F-3NH 8-3/8" Diameter Combination Main Roof

8-3/8" Diameter Combination Main Roof and Overflow Drain with Low Silhouette Domes and Double Top-Set® Deck Plate

or spaces where plumbing depth is limited

Maximum temperature is 406 F at 100 psi

Combination Membrane Flashing Clamp and Gravel Guard — Secures the roof membrane and prevents debris or aggregate from entering the drain

it combines rugged materials with intelligent engineering

Watts RK 957/957RPDA-RC4 8 - Part of the RK-957/957RPDA Series Z100F-3NH 8-3/8" Diameter Combination Main RoofThis 8 inch 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. Features Factory replacement kit No special tools required for changing parts All