Electric Tankless Water Heater Operating Voltage 240V AC Phase Single Cold Inlet Size 1/2 in Maximum Flow Rate 4.8 gpm Minimum Flow Activation 0.3 gpm Overall Depth 3.75 in Overall Height 11.5 in Overall Width 8 in Power Consumption 11 000 W Maximum Delivered Temperature 140 Degrees F Minimum Delivered Temperature 80 Degrees F Adjustable Thermostat Yes Current 46 A Environment Indoor Market Residential Control Type Dial Digital Display with Keypad