Watts 174A 100 FS 3/4 - Part of the 174A Series ZC100F-8NH It is made in the

It is made in the USA

This 4 inch wafer style butterfly valve

Great for mulched areas on hills and slopes

and a rubber diaphragm and disc

disc screw

Watts 174A 100 FS 3/4 - Part of the 174A Series ZC100F-8NH It is made in theThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 100 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.