WW0794014, Watts, 2-1/2 - 3 IN 709 Lead Free DC First or Second Check Repair Kit

This 2-1/2 to 3 Inch 709 Lead Free DC First or Second Check Repair Kit is used to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consists of a disc and spring assembly and a cover O-ring. It is ideal at referenced cross-connections identified in non-health hazard applications.used to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consists of a disc and spring assembly and a cover O-ring. It is ideal at referenced cross-connections identified in non-health hazard applications.