The Ariston Andris 2.5 Gal. 6 Year Corded 120-Volt Point of Use Mini-Tank Electric Water Heater has a mini tank that eliminates the long trip through pipes that water usually has to take from the water heater to the sink. This powerful, yet compact water heaters purpose is to provide you with hot water, when and where you need it. Installation has never been easier, with a simple tap into a cold water line and a standard 120-Volt outlet.