Stiebel Eltron Mini Tankless Electric Water Heaters are the ideal choice for all point-of-use applications. The Mini heats water instantaneously as it flows through the unit. Stand-by heat-losses are completely eliminated. The efficient heating elements are controlled by a flow switch. Additionally, all Mini water heaters are equipped with a safety high-limit with automatic reset. The combination of meticulous German engineering and the best available materials ensure that every Mini if of the highest quality and designed for many years of trouble-free service.