Rinnai RX199iN Tankless Water Heaters

The SENSEI™ RX199iN condensing tankless water heater from Rinnai is only the size of a small suitcase, uses either Natural Gas or Propane, and can be installed indoors or outdoors using the Versa-Vent™ accessory. Rinnai SENSEI RX Series tankless water heaters last up to twice as long as tanks and have twice the warranty length. Plus, they save energy by heating water only when it is needed.

  • Uniform Energy Factor (UEF): 0.98
  • 97% Thermal Efficiency
  • Warranty 15 yrs or 12K hours on Heat Exchanger/ 5 years on Parts/ 1 Year on Labor
  • 15,000 BTU/H (minimum)
    199,000 BTU/H (maximum)
  • Indoor
Rinnai RX199iN Tankless Water Heaters was last modified: April 9th, 2024 by HVAC Expert
Product Depth 11.4 inch / (291 mm)
Product Height 30.11 inch / (762 mm)
Product Width 18.5 inch / (470 mm)
Product Weight 55 lb / (24.5 kg)
Gas Type Natural Gas
Installation Type Indoor
Recirculation Capable Yes
Residential ENERGY STAR® Yes
Uniform Energy Factor (UEF) 0.98
Domestic Hot Water Flow Rate (Maximum) 11.1 GPM / (42 L/min)
Wi-Fi Capable Yes
SCAQMD Approved Ultra Low NOx

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People like you shared their purchase and installation experience!

Andrew MunnAndrew Munn

Highly recommended. Brian at Cozy Comfort Plus supplied and installed 6 ductless heads on two compressors. The price was very competitive. The installation crew lead by Hamid did a perfect job. They explained the best locations for the equipment and answered all my questions. The work was completed a very short time after signing the contract. The team cleaned up the job site very carefully every night and were very careful indoorA.

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Jason HicksJason Hicks

Raymond and Ali were professional, and a pleasure to meet. They arrived on time, did the work (hot water heater removal and installation) efficiently and expertly, and did a great job of cleaning up afterward. This has been my consistent experience dealing with Cozy Comfort Plus over the years. Brian, Liz, Jay... all the team members I've interfaced with are top-notch. Highly recommended!

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Michelle ZornMichelle Zorn

I had the most fabulous experience with Cozy Comfort Plus! Brian was very responsive for my first outreach all the way through to the completion of my beautiful fireplace! I live in a condo and as such, things are not straightforward when it comes to having work completed. There were a few extra hoops to jump through but Brian and his team were very diligent in ensuring that all the fittings were correct. I was so happy with my experience that I had them replace my furnace and add a smart home thermometer as well! I would highly recommend Brian and his team for their knowledge, skill and excellent customer service!

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