WW0887032, Watts, 3/4 - 1 IN 007M1 DC First or Second Check Repair Kit SS

This 3/4 to 1 IN first or second check replacement kit, for series 007M1, is used to prevent the backflow of contaminated water into the potable water supply. It consists of a seat, seat O-ring, disc assembly, and spring, check cage and cover O-ring. It is ideal at referenced cross-connections identified as non-health hazard applications. Check with local inspection authorities for installation requirements.