Watts 0887030|WW0887030 - RK 007-CK2-SS 3/4-1

This 3/4 to 1 IN second check replacement kit, for series 007, 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.