Rinnai RU199iN Tankless Water Heaters

Enjoy an endless supply of hot water with the SENSEI™ RU199iN Super High Efficiency Plus condensing tankless water heater from Rinnai. Only the size of a small suitcase, the natural gas RU199iN model is compact, easy-to-install and perfect for indoor locations.

  • ENERGY STAR® Qualified with an Energy Factor of 0.96 / Uniform Energy Factor of 0.93
  • 15,000 BTU (Minimum) / 199,000 BTU (Maximum)

Homeowner Conveniences

  • Faster hot water with recirculation for less waiting and less waste
  • Start recirculation and more with smartphone or Amazon Alexa™
  • Energy efficiency and significant savings on home energy bills
  • More usable space thanks to suitcase-sized, wall-mounted units

Most Flexible Venting in the Industry

  • 14 possible vent configurations
  • Up to 65′ vent runs with 2″ PVC options
  • 9 compatible vent manufacturers*
  • Only a single wall penetration required
  • Simple positive-fit components for secure connection
  • Joint seals expand/contract with weather to prevent damage
  • Assembly and adjustment are easy
  • *Includes PVC

Easy Installation and Serviceability

  • Adjustable mounting plate with lip for easy hanging almost anywhere
  • Quick and easy gas conversion in just 3 steps with inexpensive kit
  • Rotating isolation valves to accommodate more applications
  • Easy parameter adjustments with simple, accessible control panel
  • Simple Wi-Fi remote monitoring with detailed system information
  • Convenient access to all key components for fast, easy service
Rinnai RU199iN Tankless Water Heaters was last modified: August 17th, 2020 by HVAC Expert

RU199iN

Manufacturer Trade Model Number – U.S. RU199iN
Product Depth 11.45 in / (290 mm)
Product Height 31.3 in / (795 mm)
Product Width 18.5 in / (470 mm)
Product Weight 64 lb / (29 kg)
Gas Type Natural Gas
Installation Type Indoor Only
Recirculation Capable Yes
Residential Energy Star Yes
Uniform Energy Factor 0.93
Energy Factor 0.96
Domestic Hot Water Flow Rate (Maximum) 11 GPM / (41.6 l/min)
Wi-Fi Capable Yes
SCAQMD Approved Ultra Low NOx

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People like you shared their purchase and installation experience!

Jon ConwayJon Conway

We are so happy with the service, support and product that we received from Cozy Comfort Plus. Brian was incredible to work with, he took the time to understand what we were looking for and helped us with the designs and what the best fireplace for us might be. He is extremely easy to work with, very easy to communicate with and so fast and responsive!

Everything happened exactly on schedule and as planned. It was a well oiled machine!! The crews that were here to build everything were super friendly, kind, courteous and knowledgeable.

Highly highly recommend to all 😀👍

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Nick SmidstraNick Smidstra

Brian and his team did a fantastic job replacing our tankless hot water heater for a fair price. Great work on a complicated job requiring new piping to be installed through our attic and roof. Would recommend this company to anyone!

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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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