Watts 0887040|WW0887040 - RK 007 RT 3/4 to 1

This 3/4-1 IN complete rubber parts replacement kit, is used to prevent the backflow of contaminated water into the potable water supply. It consists of a cover O-ring, 2 disc assemblies and 2 seat O-rings. It is ideal at referenced cross-connections identified as non-health hazard applications. Check with local inspection authorities for installation requirements.