This 1/2 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

• 4” capacity

2 VL LEVER FCT HANDLES 5/60 UNIV FIT ADJ VISE JAWS

1/8" NPT ANGLE STEAM RADIATOR AIR VENT ADJUSTABLE PORT - 6

3/4"FEMALE BOILER DRAIN 3/4"IPSx3/4"HOSE THREAD OUTLET TEE-CON*STAB GAS FITTING This 1/2 inch double checkBuilt to allow drainage from boiler drains, this Boiler Drain Valve by ProLine Series allows you to easily maintain your boiler by releasing any sediment that may have accumulated. This valve is also good to use as a washing machine hookup or for general purpose use with an outdoor hose.