Electric Tankless Water Heater Operating Voltage 480V AC Phase Three Cold Inlet Size 1 1/4 in Maximum Flow Rate 40 gpm Minimum Flow Activation 1.5 gpm Overall Height 24 in Overall Width 30 in Overall Depth 13.5 in Power Consumption 54 000 W Maximum Delivered Temperature 90 Degrees F Minimum Delivered Temperature 80 Degrees F Current 65 A Environment Indoor Market Commercial Industrial Application Emergency Eye Face and Drench Control Type Digital Display with Keypad