Watts 174A 135 FS 3/4 - Part of the 174A Series Z100F-6NH ZB415S-DP-2IG

ZB415S-DP-2IG

Membrane flashing clamp and seepage pan support watertight installation

Flexible Outlet & Integration OptionsOffers multiple outlet configurations and includes interface features for secure integration with waterproofing membranes

and a heel-proof ductile-iron grate with a sediment bucket to trap debris

Watts 174A 135 FS 3/4 - Part of the 174A Series Z100F-6NH ZB415S-DP-2IGThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 135 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.