The Rheem RTE 13 Electric Tankless Water Heater for 4GPM is a perfect electric tankless water heater to be employed in a "point-of-use" location. It is a unit that is very compact so its installation will not intrude anywhere you would lack space. It is a very energy efficient tankless electric water heater. For small offices and smaller homes or even a condo, the Rheem RTE 13 Electric Tankless Water Heater has a LED temperature control display, which facilitates the setting of the water temperature and the element'... read full review »