Watts 174A-55 1 - Part of the 174A Series ZA100F-2NH sleeve O-ring

sleeve O-ring

or 24” heights and ships in 100’ rolls

UPC - 098268332537

) for easier servicing

This kit includes parts necessary to repair diaphragm of a 10 inch steam/water pressure regulator

Watts 174A-55 1 - Part of the 174A Series ZA100F-2NH sleeve O-ringThis 1 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,