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HomeProductsHomeownersWater HeatersTankless Water Heaters

Tankless Water Heaters

With a full line of Rheem® tankless water heaters to choose from, there’s sure to be one that’s the right fit for your family.
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Electric
Professional Classic Series Tankless Electric RTEX-3.5, RTEX-06 kW
  • UEF up to 0.95
  • Flow Rate up to 1.6 GPM (See specification sheet for the GPM on each model)
  • Digital temperature control in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
  • Two 0.35 GPM aerators are included for optimal temperature output and performance
Propane Gas
Natural Gas
RTG Series High Efficiency Non-Condensing Indoor Tankless Gas Water Heater With Built-In Wi-Fi
9.5-9.5 GPM
  • 0.82 UEF
  • Built-in EcoNet® Wi-Fi technology
  • LeakGuard® Leak Detection and Prevention System
  • Industry Leading! 43' vent run capability
Propane Gas
Natural Gas
RTG Series High Efficiency Non-Condensing Indoor Tankless Gas Water Heaters
7-9.5 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • Integrated Digital Display for confident installs
  • Industry Leading! 43' vent run capability

Electric
Professional Classic Series: RTEX-04T, RTEX-06T

  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Flow Rate up to 0.25 GPM
  • Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
  • Stainless steel heat exchanger reduces corrosion for long life. 
  • Brass 1/2" NPT fittings located on the bottom for the inlet and outlet water connections.
Electric
Professional Classic Series: RTEX-04T, RTEX-06T

  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Flow Rate up to 0.25 GPM
  • Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
  • Stainless steel heat exchanger reduces corrosion for long life. 
  • Brass 1/2" NPT fittings located on the bottom for the inlet and outlet water connections.
Electric
Professional Classic Series Tankless Electric RTEX-04T kW, RTEX-06T kW
  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Flow Rate up to 0.25 GPM
  • Digital thermostatic temperature controls in 1-degree increments ranging from80°F - 140°F (26°C - 60°C)
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
  • Stainless steel heat exchanger reduces corrosion for long life
  • Brass 1/2" NPT fittings located on the bottom for the inlet and outlet water connections
Electric
Professional Classic Series Tankless Electric RTEX-04T kW, RTEX-06T kW
  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Flow Rate up to 0.25 GPM
  • Digital thermostatic temperature controls in 1-degree increments ranging from80°F - 140°F (26°C - 60°C)
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
  • Stainless steel heat exchanger reduces corrosion for long life
  • Brass 1/2" NPT fittings located on the bottom for the inlet and outlet water connections
Natural Gas
Propane Gas
RTGH Series Super High Efficiency Condensing Tankless Gas Water Heater With Built-In Wi-Fi
9.5-9.5 GPM
  • .93 UEF Rated
  • Built-in EcoNet® Wi-Fi Technology
  • LeakGuard® Leak Detection and Prevention System
  • Indoor/Outdoor model
Propane Gas
Natural Gas
RTG Series High Efficiency Non-Condensing Outdoor Tankless Gas Water Heater w/ Wi-Fi
9.5-9.5 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • External EcoNet® WI-Fi Remote included 
  • Additional savings:  Qualifies for tax incentives and rebates through many utility companies, state/local/federal governments.
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