WW0889063, Watts, 1/2 Backflow Repair Kit, Disc Rubber, Seat O-Ring, Cover O-Ring, 719

This 1/2 IN double check rubber parts valve repair kit for series 719 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 disc rubber, seat O-ring and cover O-ring. Check with local inspection authorities for installation requirements.