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Rheem 7KW Water Heater Tank AutoBooster (240V / 1 Heating Chamber)

Item: RTEX-AB7
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The new Rheem® Water Heater Booster helps amp up the performance of traditional gas or electric tank water heaters by up to 45%. Compatible with both electric and gas tanks, the Rheem Water Heater Booster installs directly to the tank’s hot water outlet or mounts on a nearby wall. It significantly improves the performance of tank-type water heaters by increasing the gallons of hot water delivered and energy efficiency. In fact, it only activates when it senses the water has dropped below the activation temperature. Standard features include:
  • Increase deliverable hot water up to 45%
  • Compact design
  • Set temperature in increments of +/– 1 degree
  • External controls for adjustable settings
  • Digital user interface
  • Easy installation on new or existing tank water heater
  • No need for additional electrical infrastructure when used with an existing electric water heater
  • Field replaceable element
  • ETL certified for USA and Canada to UL499
  • Warranty, five (5) years limited on leaks, one (1) year parts


NameRheem 7KW Water Heater Tank AutoBooster (240V / 1 Heating Chamber)
Gemaire Item NumberRTEX-AB7
Manufacturer Product NumberRTEX-AB7
SKU - PIM Number14658914205342508
ERP Number386344
Unit of MeasureEA
Weight1.0 Pounds (Lb)
Length2.0 Inches (In)
Width14.0 Inches (In)
Height3.0 Inches (In)
Country of OriginNo
Voltage240 VAC
Fuel TypeElectric
Warranty OfferedYes
Energy Star RatedNo
UL ListedNo
GEM - Case Quantity

Parts List