Item #: MHBP900
Supplier #: BP900
BACKFLOW PREVENTER. 1/2" NPT. 175 PSI MAX. 250F TEMP. MAX. WITH INTERME DIATE ATMOSPHERIC VENT. HEATING SYSTEMS

Item #: LGD115-113
Supplier #: 115-113
1/2" T-459 BACKFLOW PREVENTER

Item #: WW0061935
Supplier #: 0061935
1/2 In Bronze Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections