Watts 174A 135 FS 2 - Part of the 174A Series mainline-adatile an anchor flange and a

an anchor flange and a reversible clamping collar with primary and secondary weepholes

brass body and flange with a bottom loaded blowout proof stem

6 mil thick Dura Skrim 2 is a lightweight

brass adapter and steel handle

Watts 174A 135 FS 2 - Part of the 174A Series mainline-adatile an anchor flange and aThis pressure relief valve has a 2 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.