WW0888072, Watts, 1/2-3/4 Backflow Repair Kit, Ss007M3

This 1/2-3/4 IN complete rubber parts replacement kit, for series SS007M3, 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.