Watts 174A 105 FS 3/4 - Part of the 174A Series geogrid Waterproofing Integration & Debris Control:

Waterproofing Integration & Debris Control: Features that allow solid bonding with the waterproofing membrane and a grate or strainer layout that helps prevent debris from entering the drain

Seepage openings + frame clamps: Peripheral slots around the frame allow water flow even when paving sits close

prevent ponding

60 mil and 80 mil (a mil is a 1

Watts 174A 105 FS 3/4 - Part of the 174A Series geogrid Waterproofing Integration & Debris Control:This pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 105 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.