Watts RK 770-CK4 4 - Part of the RK-770 Series ZA100F-3NH a service check valve to

a service check valve to prevent backflow

H-20 Rating – Suitable for vehicular applications including driveways and patios

brass cleanout plug and push on connection for a 2 inch pipe

Gasket seal between assembly components to protect against water infiltration

Capable of positive shutoff

Watts RK 770-CK4 4 - Part of the RK-770 Series ZA100F-3NH a service check valve toThis 4 IN check valve repair kit for series 770 is designed to protect drinking water supplies from dangerous cross connections in accordance with national plumbing codes and water authority requirements. This kit consists of a spring assembly and a cover O ring. Check with local inspection authorities for installation requirements. Features Factory Replacement Kit No special tools required for changing parts All parts are made of high quality