Watts 800M4 QT FZ 1 1 2 Part of the 800M4QT Series American Wick Drain Specifications ArmorTek Technology No Backflow Specifications ArmorTek Technology No Backflow Preventer Type Reduced Pressure Zone Assembly Body Finish Bronze Body Material Bronze Body Pattern Inline Brand Watts Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268351354 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 IN Inlet Connection Size Metric 25 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 12 The Dura Skrim R Series also offers fire retardant options for added safety Specification Sheet Freeze Sensor Connection Kit (Spanish) This 1 1 2 inch anti siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage