Electric Water Heater, Operating Voltage 240V AC, Phase Single, Equivalent BtuH 15,355 BtuH, First Hour Rating Not Applicable, Maximum Recovery Flow Rate 21 gph @ 90 Degrees F, Overall Height 62.8 in, Power Consumption 4,500 W, Tank Capacity 50 gal, Tank Diameter 23.5 in, Market Residential, Number of Elements 2, Cold Inlet Size 3/4 in, Cold Inlet Type NPT, Energy Factor 0.91, Included Valves Temperature and Pressure Relief, Includes Factory-Installed T&P Valve, Pipe Wrap Energy Saving Kit