Watts B911T Boiler Combination Fill Valve and Backflow Preventer

Boiler Combination Fill Valve and Backflow Preventer; Type Combination Fill Valve and Backflow Preventer; Nominal Size 1/2 Inch; End Connection Female Threaded Union x Female Threaded; End to End Distance 8-1/2 Inch; Body Material Bronze; Temperature Rating 212 Deg F; Pressure Rating 100 PSI; Application Commercial and Residential Hydronic Heating System