Watts LF8A 3 4 Part of the LF8 Series Nonwoven Fabric ZN199 DC 2NH ZN199 DC 2NH The Root Barrier Fabric is used in residential and commercial applications Specifications Backflow Preventer Type Vacuum Breaker Body Finish Brass Body Material Lead Free Copper Silicon Alloy Body Pattern Does Not Apply To Product Brand Watts Buy American Act Compliant NO Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Rubber EAN 098268434781 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type GHT Lead Free YES Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 8 This 3 4 inch lead free hose bibb vacuum breaker backflow preventer permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water into the potable water supply due to backsiphonage