Febco LF856DCDA OSY CFM 3 Part of the LF856 Series roof hatch finder Specifications Backflow Preventer Type Vacuum Specifications Backflow Preventer Type Vacuum Breaker Body Finish Rough Bronze Body Material Bronze Body Pattern N Pattern Brand FEBCO Bypass No Bypass Size Does Not Apply To Product Cap And Tether Yes Disc Material Nitrile EAN 643925582987 Elbow Fitting No GDS Status Registered Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 IN Inlet Connection Size Metric 25 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free No Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 10 2 Retainer Clips It is ideal for protection of non health hazard cross connections or for containment at the service line entrance It is used primarily on fire sprinkler and standpipe systems requiring detection of unauthorized water use