Electric Tankless Water Heater Operating Voltage 240V AC Phase Single Cold Inlet Size 3/4 in Maximum Flow Rate 7 gpm Minimum Flow Activation 0.3 gpm Overall Depth 3.75 in Overall Height 17 in Overall Width 14 in Power Consumption 18 000 W Maximum Delivered Temperature 140 Degrees F Minimum Delivered Temperature 80 Degrees F Adjustable Thermostat Yes Current 75 A Environment Indoor Market Residential Control Type Dial Digital Display with Keypad Cord Conductor Gauge 8 AWG Wire