Febco FRK 857 CK2 Part of the RK 857 Series ground shipping Specifications ArmorTek Technology Yes Backflow Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Detector Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Cast Iron Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass Yes Bypass Size 3 4 IN Cap And Tether No Disc Material Rubber EAN 098268223880 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 4 IN Inlet Connection Size Metric 100 MM 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 NO Maximum Temperature Fahrenheit 110 Maximum Working Pressure BAR 12 allowing users to select either a UV stable colored side or a natural black rubber edge Specifications Kit Type Second Check Kit Product Group KITS UPC 643925022674 Fits 2 1 2 and 3 inch double check valve assembly