WW0885020, Watts, 2 1/2 Backflow Repair Kit, Two Gaskets, Eight Nuts And Bolts, Series 709 And 909

This 2 1/2 IN flange accessory kit for series 709 and 909 helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of two gaskets, eight nuts and bolts. It is ideal at referenced cross-connections identified in non-health hazard applications. Check with local inspection authorities for installation requirements.