The Rheem Performance 27 kW 5.27 GPM Self-Modulating Electric Tankless Water Heater is a high-quality home appliance that offers instant hot water with its tankless heating system. With a sleek gray design and a compact size, this electric water heater is perfect for small spaces like walls and under sinks. The self-modulating feature allows for efficient power usage and variable temperature settings, while the digital display and control make it easy to navigate. This tankless water heater from Rheem is a reliable choice for heating water in your home with its 27kW power source.