Watts 174A-55 1 1/4 - Part of the 174A Series American Wick Drain and a bronze feed water

and a bronze feed water pressure regulator

and relief valve spring

nickel bronze top and removeable

UPC - 098268030686

ZB456-2NH-7B

Watts 174A-55 1 1/4 - Part of the 174A Series American Wick Drain and a bronze feed waterThis 1 1 4 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non metallic disc to metal seating, stainless steel spring, and test lever. It resists corrosive water conditions,