Watts 740 030 FS 1 - Part of the 740 Series Z100F-8NH Storm Drain Inlet Protection bags

Storm Drain Inlet Protection bags are proudly made in the USA

Relief valve seat and seal kit

ZN400I-4NH

It features a lead free cast brass body

small branch lines

Watts 740 030 FS 1 - Part of the 740 Series Z100F-8NH Storm Drain Inlet Protection bagsThis pressure relief valve has a 1 inch NPTF female inlet, 1 1 4 inch NPTF female outlet, and pressure relief setpoint of 30 psi. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features an iron 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