New open box. Only hardware included is the knob for the temperature dial on the front of the unit.

The Rheem 27 kW 5.27 GPM 240-Volt Self-Modulating Electric Tankless Water Heater is a stylish and efficient water heating solution for residential applications. With a power source of 240 volts and a power of 27 kW, this tankless water heater offers instant hot water delivery with a flow rate of 5.27 gallons per minute at a rise of 35 degrees Fahrenheit. The heater is wall-mounted and comes in a sleek gray color. Its features include a digital display for easy monitoring and a variable temperature control for customizable settings. This model, Retex-27, provides a reliable and space-saving option for heating water in your home.