Febco LF850 DNRS DC 3 Part of the LF850 Large Series snake fence 2 Body Material Lead Free 2 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268332827 Gauge Option No Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 1 2 IN Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature Fahrenheit 180 Maximum Working Pressure BAR 20 This 4 inch lead free testable double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Valve Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Ductile Iron Body Pattern Inline Brand FEBCO Buy American Act Compliant NO Bypass No Cap And Tether No Disc Material Silicone EAN 643925026115 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 IN Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Non Rising Stem Gate Valve Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 Lead free construction