Nominal Capacity: 66;Rated Storage Volume: 67;UEF: 3.52;First Hour Rating: 66;Upper Element Wattage: 4500;Lower Element Wattage: 4500;Max Wattage: 4500;Voltage: 208;Minimum Voltage Required: 208;Limited Tank Warranty: 10 Years;Limited Parts Warranty: 10 Years;Anode: Sacrificial;Foam Insulation: 2";T&P Relief Valve: Yes;Water Connection Location: Side;Water Connection Size: 3/4";ENERGY STAR: Yes