Electric Tankless Water Heater, Operating Voltage 208/240V AC, Phase Single, Cold Inlet Size 3/8 in, Maximum Flow Rate 1 gpm, Minimum Flow Activation 0.77 gpm, Overall Height 6.5 in, Overall Width 7.5 in, Overall Depth 3.25 in, Power Consumption 5,700 W, Maximum Delivered Temperature 122 Degrees F, Minimum Delivered Temperature 86 Degrees F, Adjustable Thermostat No, Current 21 A, 24 A, Environment Indoor, Market Commercial, Industrial