Watts 174A 035 FS 1 - Part of the 174A Series Strip Drian It features two laminated polyethylene

It features two laminated polyethylene layers with a molten polyethylene core

Features Pressure for saturated steam service set at 10 psi

Features Stainless steel ball and stem

Z627-3NL-G

Watts 174A 035 FS 1 - Part of the 174A Series Strip Drian It features two laminated polyethyleneThis pressure relief valve has a 1 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. Sensor