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Rheem RTG-84XLP-1 Outdoor Propane Tankless Water Heater

Rheem RTG-84XLP-1 Outdoor Propane Tankless Water Heater

Rheem RTG-84XLP-1 Outdoor Propane Tankless Water Heater
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Features of the RTG-84XLP-1 Outdoor Propane Tankless Water Heater

The Rheem RTG-84XLP-1 Outdoor Propane Tankless Water Heater, is an ultra low NOx, mid-efficiency propane powered outdoor inline water heating system designed for continuous instant on and endless hot water on demand, best for 2-3 bathroom homes, and and are now compatible with residential hot water recirculation pumps.

  • 82% energy efficient with all copper heat exchanger
  • RTG-84XLP-1 Residential Outdoor Tankless Water Heating Units for 2-3 bathroom homes*– 8.4 gal./min. at 35°F rise max., 6.6 gal./min. at 45°F rise
  • Self-diagnostic system for easy installation and service
  • Built-in electric blower


  • Indoor direct vent and outdoor models
  • 11,000 – 180,000 BTU max.
  • 8.4 gal./min. at 35° F rise max.
  • 6.6 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

There are not many official online retailers of Rheem tankless instant on and endless hot water heaters, and unfortunately the internet is full of scams. As a general rule of thumb, if the deal seems too good to be true, it probably is. Cheap cut rate online deals often end up being a used or refurbished unit, which do not come with Rheem's top rated parts, labor and heat exchange warranties. Or even worse end up buying a cheap discount tankless water heating system that doesn’t have the energy efficiency, features or warranties provided by the best Rheem tankless instant on and endless ho propane outdoor tankless on-demand water heaters.

When you buy your money and energy saving propane 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 propane 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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