Watts LF174A 90 1 Part of the LF174A Series silt fence selector this option offers a sturdy this option offers a sturdy barrier with an expected lifespan of 6 10 years Specifications ArmorTek Technology No Backflow Preventer Type Double Check Valve Assembly Body Finish Cast Copper Silicon Alloy Body Material Lead Free Copper Silicon Alloy Body Pattern Inline Brand Watts Buy American Act Compliant YES Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Rubber EAN 098268592641 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1 1 4 IN Inlet Connection Type Female Threaded Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature Fahrenheit 180 Maximum Working Pressure BAR 12 Specification Sheet Flood Sensor for Relief Valve Discharge Line (Spanish) This 1 inch lead free boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment