Electric Tankless Water Heater Operating Voltage 480V AC Phase Three Maximum Flow Rate 40 gpm Minimum Flow Activation 2.5 gpm Overall Height 17.61 in Overall Width 26.17 in Overall Depth 10.28 in Power Consumption 72 000 W Maximum Delivered Temperature 140 Degrees F Minimum Delivered Temperature 140 Degrees F Current 87 A Market Commercial Industrial Application Low Duty Cycle Control Type Digital Display with Keypad Cord Conductor Gauge 3 AWG Wire