Watts LF174A 120 FS 1 1/2 - Part of the LF174A Series

Watts LF174A 120 FS 1 1/2 - Part of the LF174A SeriesThis lead free pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 120 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy 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

and pedestrian surfaces where both aesthetics and durability matter

73 GPM per linear ft

Z551-2NH-G

It is for applications that require a means to shut off the water supply to the water heater and for providing protection from excess water pressure caused by thermal expansion

and easy-to-clean interior surface

This model is suited for concrete floor installations where reliable

and long-term wear in harsh outdoor conditions

Both Ultra-Durable Chicken Wire options have 3/4" openings

The Slim Channel Drain Coupling is made of polyvinyl chloride (PVC) treated with UV inhibitors

00 Minimum Temperature-Fahrenheit 0 Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Thread Type FPT Part Number 0547132 Port Type Full Seat Material Virgin PTFE Series FBV-3C Stem Packing Material Virgin PTFE Stem Shaft Material Brass Stem Type Bottom Loaded Blowout Proof Thrust Washer Material Virgin PTFE Valve Style 2-piece WOG Rating 600 PSI Specification Sheet - FBV-3C

Air gap fitting and bottom-mounted relief valve for reduced space requirements

a removable maintenance cover for surface access