Watts 0887088|WW0887088 - RK 770DCDA-T 4

This 4 IN repair kit for series 770DCDA 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 two cover O-rings, two bolts O-ring, two disc, two spring assemblies for both checks. Check with local inspection authorities for installation requirements.