Watts B6400 SS SH Part of the B6400 Series Window Well Extension Anchoring clips and heavy duty frame Anchoring clips and heavy duty frame ensure secure integration into concrete or pavement installations Specifications Backflow Preventer Type Vacuum Breaker Body Finish Brass Body Material Brass Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No EAN 098268310498 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 2 IN Inlet Connection Size Metric 15 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free NO Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 8 00 Minimum Temperature Fahrenheit 55 Operating Torque 320 stainless steel ball and adjustable stem packing to provide lasting service