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Residential Products
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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.

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
Performance Plus® High Efficiency Non-Condensing Indoor Tankless Gas Water Heaters
7-7 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
Natural Gas
Propane Gas
Tankless Mid-Efficiency 95 Outdoor
9.5-9.5 GPM
  • .81 UEF -US
  • .82 EF- Canada
  • 11,000 - 199,900 BTU max.
  • 9.5 gal./min. at 35° F rise max.
  • 7.4 gal./min. at 45° F rise max
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
Natural Gas
Propane Gas
Performance Platinum® Super High Efficiency Condensing Tankless Gas Water Heaters With Built-in Wi-Fi
9-9.5 GPM
  • .93 UEF Rated
  • Built-in EcoNet® Wi-Fi Technology
  • LeakGuard® Leak Detection and Prevention System
  • Indoor/Outdoor model (Outdoor conversion kit sold separately)
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.
Natural Gas
Propane 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

Natural Gas
Propane Gas
Tankless Mid-Efficiency 95 Direct Vent Indoor
8-10 GPM
  • .82 UEF - US
  • .82 EF - Canada
  • With all -copper heat exchanger
  • 11,000 - 199,900 BTU max
  • 9.5 gal./min. at 35° F rise max
  • 7.4 gal./min. at 45° F rise max
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.
Propane Gas
Natural Gas
Performance Platinum® Super High Efficiency Condensing Tankless Gas Water Heaters
8.4-8.4 GPM
  • Up to .93 UEF
  • Up to 52% more efficient than a standard 50-gallon tank
  • Integrated Digital Display for confident installs
  • Indoor/Outdoor model with available outdoor conversion kit (sold separately)
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