Watts RK 709-CK4-SS 1 1/2-2 - Part of the RK-709 Series ZA100F-8NH stem O-ring

stem O-ring

Features Features flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve

Adding a steel grate will reduce the load rating to Class C

heel-proof grates (aluminum or stainless) optional where needed

Watts RK 709-CK4-SS 1 1/2-2 - Part of the RK-709 Series ZA100F-8NH stem O-ringThis 1 1 2 to 2 inch check valve kit, CK4 SS, is for series 709 which helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of a disc assembly, spring, seat, seat O ring, and a cover O ring. Features Factory Replacement Kit No special tools required for changing parts All parts are made of high quality materials Check kit Specifications Kit Type First or Second Check Kit Lead Free NO Product