Watts 174A 040 FS 1 1/4 - Part of the 174A Series ADS and a molded diaphragm separating

and a molded diaphragm separating the air inlet from the potable water supply to prevent spillage

Gauge port tapped and plugged

The channel has an integrated bottom outlet that connects to 3 in

Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 600 GPM Disc Material Ductile Iron EAN 098268604030 Inlet Connection Size 4 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 644 in-lbs Operating Torque-Wet 390 in-lbs Outlet Connection Size 4 IN Outlet Connection Type Lug Part Number 0525601 Seat Material EPDM Series BF-03 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Lug Specification Sheet - BF-03-M2

Watts 174A 040 FS 1 1/4 - Part of the 174A Series ADS and a molded diaphragm separatingThis pressure relief valve has a 1 1 4 inch NPTF female inlet and outlet and a 40 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.