Watts 909RPDA LF CFM 3 Part of the 909RPDA Series Z100F 8NH ZB400H 2NH ZB400H 2NH Designed for continuous or intermittent pressure applications Specifications ArmorTek Technology Yes Backflow Preventer Type Reduced Pressure 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 098268271461 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 IN Inlet Connection Size Metric 80 MM Inlet Connection Type Mechanical Joint Inlet Shutoff Valve Type No Shutoff Valve Lead Free NO Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 This 3 inch reduced pressure detector backflow preventer assembly with its exclusive design incorporating the patented air in and water out principle for protection from the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure