Watts RK 709 CK4 3 4 1 Part of the RK 709 Series roof hatch finder this drain is engineered to this drain is engineered to handle a flow rate of 100 gallons per minute (GPM) and meets stringent building and fire safety codes Specifications Backflow Preventer Type Vacuum Breaker Body Finish Brass Body Material Lead Free Brass 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 098268434811 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 Specifications Buy American Act Compliant NO Kit Type First or Second Check Kit Lead Free YES Product Group BACKFLOW KITS UPC 098268385694 No special tools required for changing parts