Watts 174A 090 FS 1 - Part of the 174A Series Hanes Geo Factory air charged and is

Factory air charged and is not rechargeable

This 1/2 inch calibrated pressure relief valve is used in commercial

ZB415-SZ1-4IP

galvanized cast iron

Watts 174A 090 FS 1 - Part of the 174A Series Hanes Geo Factory air charged and isThis pressure relief valve has a 1 inch NPTF female inlet and outlet and a 90 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. Sensor