Hybrid Electric Water Heater; Inlet/Outlet Connection 3/4 Inch x 3/4 Inch; Relief Valve Details T and P Relief Valve Supplied; Input Supply Rating 208/240 Volt AC at 60 Hertz; Tank Dimensions 27 Inch Diameter x 61 Inch Height; Tank Capacity 66 Gallon; Tank Warranty 6 Year Limited; Drain Valve Details Brass; Insulation Details Non-CFC Foam; Energy Saver Conformance Yes; Inclusions/Features Coregard Stainless Steel Anode Rod, Air Duct Adapter Kit; Applicable Standard UL, CSA, AHRI; Uniform Energy Factor 3.52