AllPoints 561150 Watts Model 9d Backflow Preventer 3/4″ Fpt Unions, 25-175 Psi Max Temp 250 F, Dual Check Backflow Preventer With Atmospheric Vent For, Continous Pressure., Max Temp 250f Max Pressure 175 Psi., , This Product Contains More Than 0.25% Lead. It Is Illegal, To Use This Product In Potable Services Such As Drinking, Water Handwashing Food Preparation Or Dishwashing.