Double Check Valve Assembly, Backflow Preventer, Size 6 In., Connection Flanged, Material of Construction Stainless Steel Body, Iron Valves, Temp. Range (F) 33, Max. Temp. (F) 140, Max. Pressure (PSI) 175, Width (In.) 9-3/16, Length (In.) 43-1/2, Standards ASSE 1015, B64.5,FM Approved, UL