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RTG-64XLN-1 Outdoor Natural Gas Tankless Water Heater

RTG-64XLN-1 Outdoor Natural Gas Tankless Water Heater

RTG-64XLN-1 Outdoor Natural Gas Tankless Water Heater
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Features of the RTG-64XLN-1 Outdoor Natural Gas Tankless Water Heater

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The Rheem RTG series includes the RTG-64XLN-1 Outdoor Natural Gas Tankless Water Heater, is a group of ultra low NOx, mid-efficiency gas powered inline water heating systems that provide continuous instant on and endless hot water on demand, best for 1-2 bathroom homes.

  • 82% energy efficiency using all copper heat exchangers
  • RTG-64XLN-1 residential outdoor on-demand tankless hot water heating system is ideal for 1-2 bathroom homes featuring 6.4 gal./min. at 35°F rise — 5.6 gal./min. at 45°F rise
  • Self-diagnostics enables easy installation and service
  • Chassis-mounted electric blower


  • Indoor direct vent and outdoor models
  • 11,000 – 150,000 BTU max.
  • 6.8 gal./min. at 35° F rise max.
  • 5.3 gal./min. at 45° F rise max.


  • Parts Warranty – 5 Years
  • Labor Warranty – 1 Year
  • Heat Exchange Warranty – 12 Years

Brochure                                            Spec Sheet

Our Exclusive Pre-Wired Controllers Save you Time and Money

Rheem’s innovative tankless water heater remote controllers make it simple to know and adjust your unit’s water temperature. However, these remote controllers have to be wired properly with the unit to work. We are the only Rheem retailer whose units come with pre-wired remote controls. All other new Rheem tankless water heaters for sale online and off require an expensive electrician to wire them. This wastes time and is expensive. Buying your new Rheem on-demand instant on and endless hot tankless water heater from us with a pre-wired controller, will save you time and money on your unit’s installation.

Save Money Shopping Online, and Don’t Get Ripped Off

When you buy your money and energy direct vent natural gas outdoor Rheem instant on and endless hot, tankless on-demand water heater from us, you get a brand new unit, at the best possible price, with Rheem’s amazing 5 year parts, 12-year heat exchange and 1-year labor warranty. Our innovative partnership with Rheem cuts out the middle man and eliminates the high operating costs of traditional brick and mortar big box stores. These savings get passed directly to you, allowing us to offer brand new money, energy and space saving Rheem direct vent tankless instant on and endless hot natural gas outdoor water heaters, with our exclusive Pre-Wired remote water temperature controls, at the best possible everyday cheap discount online sales prices.

If you have any questions give us a call or send us an email and one of our tankless water heating experts will be happy to help.
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