Watts LFF115-74 300 B 20-175 LS 50-145 4 - Part of the LFF115-74 Series silt-fence-selector Designed for commercial and industrial

Designed for commercial and industrial cleanout access applications

This 4 inch lead free reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage

and specifically for boiler feed lines

00 Minimum Temperature-Fahrenheit -40 Operating Torque Does Not Apply To Product Outlet Connection Size 3/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number 0123838 Port Type Standard Seat Material PTFE Durafill Series LFEMVII-6400-SS Stem Packing Material PTFE Durafill Stem Shaft Material 316 Stainless Steel Stem Type Bottom Loaded Blowout Proof Thrust Washer Material PTFE Durafill Type Valve to Accessory Valve Style 2-piece WOG Rating 600 PSI UPC - 098268017113

This 1/2 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks & tankless water heaters

Watts LFF115-74 300 B 20-175 LS 50-145 4 - Part of the LFF115-74 Series silt-fence-selector Designed for commercial and industrialThis 4 inch ACV is armed with ArmorTek, a patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion. This pressure reducing control valve is designed to automatically reduce a fluctuating higher inlet pressure to a constant lower downstream pressure regardless of varying flow rates. The quick closing action of the valve limits the possibility of damaging high inlet pressure from