WW0887956, Watts, 3 Backflow Complete Rubber Repair Kit, Series 709Dcda

This 3 IN complete rubber parts kit for series 709DCDA helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of two discs and two cover O-rings. It is ideal at referenced cross-connections identified in non-health hazard applications. Check with local inspection authorities for installation requirements.