Watts 174A-135 1 1/2 - Part of the 174A Series Window Well Extension ZARB326-4IP

ZARB326-4IP

UPC - 098268592436

and other high-demand environments

UPC - 098268350081

UPC - 098268581324

Watts 174A-135 1 1/2 - Part of the 174A Series Window Well Extension ZARB326-4IPThis 1 1 2 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,