Watts 174A 135 FS 1 1/2 - Part of the 174A Series Z100F-4NH and RV seat O-ring

and RV seat O-ring

Specifications Body Material Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 3136 GPM Disc Material Aluminum Bronze EAN 098268604580 Inlet Connection Size 8 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature-Fahrenheit 248 Maximum Working Pressure-PSI 200 Minimum Temperature-Fahrenheit 33 Operating Torque-Dry 2919 in-lbs Operating Torque-Wet 1697 in-lbs Outlet Connection Size 8 IN Outlet Connection Type Lug Part Number 0525657 Seat Material EPDM Series BF03-121 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Lug UPC - 098268604580

The flanged design with a flashing clamp ensures secure integration with the waterproofing membrane

Features Easy to adjust pressure setting

No additional adapters needed

Watts 174A 135 FS 1 1/2 - Part of the 174A Series Z100F-4NH and RV seat O-ringThis pressure relief valve has a 1 1 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.