Watts 174A 030 FS 1 - Part of the 174A Series Z100F-6NH This 1 inch 2-piece lead

This 1 inch 2-piece lead free copper silicon alloy standard port ball valve with actuator mounting pads is used in commercial and industrial applications for a wide range of liquids and gases

retainer wires and lubricant

Pressure relief range is 75 to 150 psi

watertight connection to the roofing membrane

ZN400K-3IC

Watts 174A 030 FS 1 - Part of the 174A Series Z100F-6NH This 1 inch 2-piece leadThis pressure relief valve has a 1 inch NPTF female inlet and outlet and a 30 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