Watts 174A-045 1 - Part of the 174A Series Z100F-8NH factory tested and calibrated to

factory tested and calibrated to plus/minus 10 percent accuracy

Specifications Kit Contents Diaphragm

Ductile iron disc

it’s specifically suited for concrete-based installations

Case Study - St

Watts 174A-045 1 - Part of the 174A Series Z100F-8NH factory tested and calibrated toThis 3 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,