Watts 174A 135 FS 1 1/2 - Part of the 174A Series Z100F-4NH Features Easy to adjust pressure

Features Easy to adjust pressure setting

and RV seat O-ring

Typical applications include elevator landings

This 11″ × 19″ top drain combines strength

UPC - 098268880946

Watts 174A 135 FS 1 1/2 - Part of the 174A Series Z100F-4NH Features Easy to adjust pressureThis pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 135 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.