Febco 856STDCDA LG GPM 6 Part of the 856ST Series Drain Fitting spring loaded check valves and a spring loaded check valves and a pressure differential relief valve Slim Grate Design: The drain’s grate is designed to sit nearly flush with the surrounding finished floor—whether tile Specifications ArmorTek Technology No Backflow Preventer Type Double Check Detector Assembly Body Finish Epoxy Coated Body Material Ductile Iron Body Pattern Inline Brand FEBCO Buy American Act Compliant NO Bypass Yes Bypass Size 3 4 IN Cap And Tether No Disc Material Rubber EAN 098268647983 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 6 IN Inlet Connection Size Metric 152 It is used primarily on fire sprinkler and standpipe systems requiring detection of unauthorized water use