Watts 174A 040 FS 1 1/4 - Part of the 174A Series SKAPS a self-locking ductile iron dome

a self-locking ductile iron dome with 137 square inches of free area and a 3 inch no hub outlet

a loose set porcelain enamel coated cast iron grate with 15 square inch free area

This 1 1/4 and 1 1/2 IN 919 total repair kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure zone assembly

909 Compatible Size Used On 6 IN Kit Contents Upper and Lower Check Stem O-ring

Includes pressure relief valve

Watts 174A 040 FS 1 1/4 - Part of the 174A Series SKAPS a self-locking ductile iron domeThis pressure relief valve has a 1 1 4 inch NPTF female inlet and outlet and a 40 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.