Watts 174A 085 FS 3/4 - Part of the 174A Series SKAPS The Roof Drain 8x8 is

The Roof Drain 8x8 is engineered to deliver dependable

Fluorocarbon elastomer stem O-ring prevents stem leaks

ZA163-10NL

The pressure is rated 400 psi (28 bar) WOG and the maximum temperature is 406 F (208 C) at 100 psi (6

ideal for draining moderate flows of surface water from driveways

Watts 174A 085 FS 3/4 - Part of the 174A Series SKAPS The Roof Drain 8x8 isThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 85 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.