Watts 174A 100 FS 1 - Part of the 174A Series Z100F-6NH This 2 1/2 to 4

This 2 1/2 to 4 inch relief valve rubber parts kit includes the parts necessary to repair or replace the relief valve rubber parts of series 957

Modular configuration for alignment flexibility and integration with adjacent drainage runs

This 4 inch 150# flanged fabricated carbon steel plate strainer is used to filter undesirable particulate from pipelines

This 1/4 inch lead free mini water pressure regulator is designed to reduce incoming water pressure to protect plumbing system components and reduce water consumption

brass cleanout plug and no hub connection for a 4 inch pipe

Watts 174A 100 FS 1 - Part of the 174A Series Z100F-6NH This 2 1/2 to 4This pressure relief valve has a 1 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.