WATTS 0386463 1/2 BFW/BOILER FEED COMBO VALVE

WATTS®, 0386463, Combination Fill Valve and Backflow Preventer, Series: 911, 1/2 in Nominal, NPT End Style, 100 psi Pressure, 212 deg F, Bronze Body, 8-1/2 in L x 5-1/4 in H Dimensions

This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).