Watts 174A-045 1 - Part of the 174A Series Z100F-8NH it’s specifically suited for concrete-based

it’s specifically suited for concrete-based installations

ZB415-SZ1-3NH

Ductile iron disc

This reduced pressure zone complete rubber parts kit for the 1 1/4 to 2 inch 009 Series consists of two check assembly o-rings

Closure plug

Watts 174A-045 1 - Part of the 174A Series Z100F-8NH it’s specifically suited for concrete-basedThis 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,