Watts 757N BFG 4 Part of the 757 Series Window Well Extension UPC 098268331608 UPC 098268331608 this unit has a 4 inch cast iron pipe size (CIPS) coupler for easy connection to the underground supply (AWWA C900 PVC) and 4 inch ductile iron pipe industry standard grooved end connection (AWWA C606) on the building side for easy connection to the overhead fire sprinkler system Specifications ArmorTek Technology No Backflow Preventer Type Double Check Valve Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern N Pattern Brand Watts Buy American Act Compliant NO Bypass No Cap And Tether No EAN 098268120622 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 4 IN Inlet Connection Type Grooved Joint Inlet Shutoff Valve Type Gear Operated Butterfly Valve Inlet Thread Type Does Not Apply To Product Lead Free Yes Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 757N (Spanish)