WW0887915, Watts, 2-1/2 - 3 IN 709 DC Backflow Complete Rubber Repair Kit

This 2-1/2 to 3 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 two disc 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.