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's status. Below are the main features of the Rheem 13 Electric Tankless Water Heater: 4GPM Flow Rate; Ideal for Point-Of-Use Location; 1/2 inches water connection heat exchanger; LED Status Indicator; compact and light; Operates On 240 Volts/13KW ...You can read more about the Rheem RTE 13 here if interested: <a href="http://h20heaterspy.com/">H20 Heater Spy</a>