Electric Tankless Water Heater Operating Voltage 208V AC Phase Three Cold Inlet Size 1 1/4 in 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 32 000 W Maximum Delivered Temperature 180 Degrees F Minimum Delivered Temperature 100 Degrees F Current 89 A Environment Indoor Market Commercial Industrial Application Sanitation Control Type Digital Display with Keypad