Rheem RTEX-AB7 7.2 KW Electric Water Heater Tank Booster

Adds up to 45% capacity to water heater tanks. Can give a 50 gallon tank the hot water output of an 80 gallon tank without taking up more space or upgrading your tank. More hot water, no more cold showers. Save Space. Save Energy. Save Money. Robust copper immersion heating element. Can be installed on both a gas and electric water tank. Advanced turn on and water temperature settings allow you to get the most out of your existing tank heater. When installed with an electric tank, no additional wiring or circuit breaker is required, the unit can be wired on the same circuit allowing it to turn your tank off and turn itself on to boost your hot water.