Circulating Pump, Astro 2 Series, Model: 230CI, 6 in. Length, 6.38 in. Height, Cast Iron, AMP: 0.45A (Speed 1), 0.58A (Speed 2), 0.81A (Speed 3), End Connection 1: Flanged, End Connection 2: Flanged, Fitting Size 1: 3/4, 1, 1-1/4, 1-1/2 in., Fitting Size 2: 3/4, 1, 1-1/4, 1-1/2 in., 0 - 64 gpm US Flow Rate, Horsepower: 1/25 hp, PA66 Noryl Impeller, 0 - 42 ft. Maximum Feet of Head, 110C Maximum - Temperature, Phase: 1 PH, Hardwired Power Source, Pressure - Maximum: 150 psi, ODP Pump Motor Type, In-Line Pump Mounting, 2800 RPM, CSA C22.2 Specifications - CSA Certified, Specifications - UL Listed: Yes, 115 VAC VAC at 60 Hz, 3 Number of Speeds, 97W Power Rating, Ceramic Shaft Material, Ceramic Bearing Material, 40C Ambient Temperature Environmental Conditions