Wilkins 975XL-200 2" FNPT Reduced Pressure Zone Backflow Prventer, Cast BronzeBackflow Preventer Type Reduced Pressure Principle Assembly, Wye Pattern Nominal Size 2 Inch x 2 Inch End Connection Female Threaded x Female Threaded End to End Distance 26 1 2 Inch Body Material Cast Bronze Disc Poppet Material Silicone Spring Material 300 Stainless Steel Flow Rate 5 GPM Temperature Rating 180 Deg F Pressure Rating 175 PSI Application Non Potable Water Applicable Standard ASSE, IAPMO, UL, CSA, AWWA