Watts 0887153|WW0887153 - RK 709 RT 1-1/2 to 2

This 1-1/2-2 IN complete rubber parts kit for series 709 helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of a diaphragm, disc assembly, seat O-ring and a cover O-ring. It is ideal at referenced cross-connections identified in non-health hazard applications. Check with local inspection authorities for installation requirements.