Watts 174A-120 1 1/2 - Part of the 174A Series ADA Pad It features puncture resistance and

It features puncture resistance and UV stabilization

Unique swivel union inlet and outlet connections

ZB400B-2IG

Z1926-4NH-C

It offers reliable protection against weather elements

Watts 174A-120 1 1/2 - Part of the 174A Series ADA Pad It features puncture resistance andThis 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,