Febco LF870V W DOSY 4 Part of the LF870V Series Woven Fabric Prevents backflow of sewer gas Prevents backflow of sewer gas into building designed to deliver reliable drainage Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Valve Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Ductile Iron Body Pattern N Pattern Brand FEBCO Buy American Act Compliant NO Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 643925557565 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 4 IN Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 Competitor drop in replacement lay length