Electric Tankless Water Heater Operating Voltage 240V AC Phase Single Cold Inlet Size 3/4 in Maximum Flow Rate 8 gpm Minimum Flow Activation 0.3 gpm Overall Depth 3.75 in Overall Height 17 in Overall Width 21 in Power Consumption 36 000 W Maximum Delivered Temperature 140 Degrees F Minimum Delivered Temperature 80 Degrees F Adjustable Thermostat Yes Current 150 A Environment Indoor Market Residential Control Type Dial Digital Display with Keypad Cord Conductor Gauge 8 AWG Wire