Watts 174A 035 FS 1 1/2 - Part of the 174A Series mainline-adatile Channel 20 is a sloped

Channel 20 is a sloped section with an invert depth from 16

No-hub (MJ) outlet standard—available pipe sizes: 2"

and drainage performance must converge

Fixed 12¾″ × 12¾″ square top with heel-proof ductile-iron grate suited for high-traffic zones

stainless steel springs

Watts 174A 035 FS 1 1/2 - Part of the 174A Series mainline-adatile Channel 20 is a slopedThis pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 35 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.