Electric Tankless Water Heater Operating Voltage 208V AC Phase Single Cold Inlet Size 3/4 in Maximum Flow Rate 3 gpm Minimum Flow Activation 0.75 gpm Overall Height 10.25 in Overall Width 10.75 in Overall Depth 4.5 in Power Consumption 16 600 W Maximum Delivered Temperature 100 Degrees F Minimum Delivered Temperature 140 Degrees F Adjustable Thermostat Yes Current 80 A Environment Indoor Market Commercial Industrial Application Single or Multi-Fixture