Watts RK 770-CK4 4 - Part of the RK-770 Series ZA100F-3NH Features 3/4 inch hose outlet

Features 3/4 inch hose outlet

and first and second check disc

- Mesh Diameter: 9

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

Watts RK 770-CK4 4 - Part of the RK-770 Series ZA100F-3NH Features 3/4 inch hose outletThis 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