Electric Tankless Water Heater Operating Voltage 208V AC Phase Single Cold Inlet Size 3/4 in Maximum Flow Rate 4 gpm Minimum Flow Activation 0.35 gpm Overall Height 15.25 in Overall Width 17.5 in Overall Depth 6.25 in Power Consumption 16 600 W Maximum Delivered Temperature 160 Degrees F Minimum Delivered Temperature 70 Degrees F Adjustable Thermostat Yes Current 80 A Environment Indoor Market Commercial Residential Application Mop Sinks Showers Whole Home