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May be installed in concealed locations without access panels
Watts model FH-1-M1 10
Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO FreeArea 137 IN Lead Free Not In Scope Outlet Connection Size 6 IN Outlet Connection Type No Hub OverflowDome No OverflowDrain Does Not Apply To Product Specification Sheet - RD-300
ZC104-20-4IP
Watts 174A 100 FS 2 - Part of the 174A Series ZC100F-4NH May be installed in concealedThis pressure relief valve has a 2 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.