Electric Tankless Water Heater Operating Voltage 120V AC Phase Single Cold Inlet Size 3/8 in Maximum Flow Rate 0.5 gpm Minimum Flow Activation 0.4 gpm Overall Height 6.5 in Overall Width 7.5 in Overall Depth 3.25 in Power Consumption 3 000 W Maximum Delivered Temperature 122 Degrees F Minimum Delivered Temperature 86 Degrees F Adjustable Thermostat No Current 25 A Environment Indoor Market Commercial