50 Gallon Standard, Electric Water Heater, Wattage: Dual 4,500, 240V, Copper Sheathed Heating Elements, Pex Diffuser-end Dip Tube, Glass-Lined Tank With Aluminum Anode Rod Protects Against Corrosion and extends tank life, Environmentally Friendly Non-CFC Foam Insulation, Factory Installed Pex Polymer Lined Heat Trap Nipples, Factory Installed Temperature & Pressure Relief Valve, Rated Storage Volume: 46, First Hour Rating: 62 Gallons, Self-Cleaning Tank, Water Connection Is Located At The Top Of The Tank, Water Connection Size: 3/4", UEF: 0.92, EF: 0.95, Series 130 Unit Dimensions 59 1/2"H x 20 1/2"D; Series 120 Unit Dimensions: 60 1/2"H x 20 1/2"D, 6 Year Limited Tank & Parts Warranty.