Watts 174A 135 FS 1 1/2 - Part of the 174A Series Z100F-4NH Features Easy to adjust pressure

Features Easy to adjust pressure setting

5 to 23 GPM Hot Inlet Temperature Range 120 to 200 degree F Hot Water Inlet Connection Size 1 IN Hot Water Inlet Connection Type Crimped Hot Water Inlet Thread Type Does Not Apply To Product Maximum Working Pressure-PSI 150 Minimum Differential Temperature-Fahrenheit 5 Minimum Static Pressure-PSI 30 Outlet Connection Size 1 IN Outlet Connection Size-Metric 25 MM Outlet Connection Type Crimped Outlet Temperature Accuracy +/- 3 degree F Outlet Thread Type Does Not Apply To Product Temperature Adjustment Range 90 to 160 degree F Wi-Fi Enabled No Specification Sheet - LF1170 and LFL1170

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

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

This 11″ × 19″ top drain combines strength

Watts 174A 135 FS 1 1/2 - Part of the 174A Series Z100F-4NH Features Easy to adjust pressureThis 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.