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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.

Category Sort Order
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)
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)
Natural Gas
Propane Gas
Rheem® ThermaForce Super High Efficiency Condensing Tankless Gas Water Heaters
10.1-10.1 GPM
  • Up to .90 UEF
  • Save up to 32% annually in energy costs 
  • Only 4 moving parts - Damper, Fan, Gas Valve, Mixing Valve
  • Built-in Illuminated Touchscreen Control Panel
Natural Gas
Propane Gas
Performance Plus® High Efficiency Non-Condensing Outdoor Tankless Gas Water Heaters
7-7 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • External Remote included
  • Rheem Exclusive! Hot Start Programming ensures the unit is in a ready state between back to back usage, minimizing any cold water bursts
  • 1/2" Gas line compatibility (subject to local code)
  • Meets 14 ng/J NOX requirements - SCAQMD rule 1146.2 compliant
  • Warranty: 15-year limited warranty on heat exchanger, 5-year limited warranty on parts and 1-year in-home labor warranty
  • Additional savings:  Qualifies for tax incentives and rebates through many utility companies, state/local/federal governments.
Natural Gas
Propane Gas
Performance Plus Mid-Efficiency 7.0 GPM Direct Vent Indoor
10-10 GPM
  • .82 UEF - US
  • .82 EF - Canada
  • 7.0 gal./min. at 45°F rise
  • 5.6 gal./min. at 45°F rise

Propane Gas
Natural Gas
Performance Mid-Efficiency 8.4 GPM Direct Vent Indoor
  • .82 UEF - US
  • .82 EF - Canada
  • With all copper heat exchanger
  • Recirculation Pump Kit Ready
  • Designed for easy installation
  • 8.4 gal./min. at 45°F rise
  • 6.6 gal./min. at 45°F rise
  • 5.6 gal./min. at 45°F rise

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
Electric
Performance Series Tankless Electric RETEX-8, RETEX-11, RETEX-13 kW
5-5 GPM
  • UEF up to .96 
  • 8 kW model flow rate up to 2.0 GPM
  • 11 kW model flow rate up to 2.7 GPM
  • 13 kW model flow rate up to 3.2 GPM
  • Digital thermostatic temperature controls ranging from 80°F - 140°F
  • Copper heat exchanger
  • Side ½” CF water connections
  • Warranty 5 Years - Leaks, 1 Year – Parts
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