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Model #RUR199eN

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Super High Efficiency Plus 11 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water Heater

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$undefined.00 /mo* suggested payments with months* financingApply Now
  • Enjoy endless hot water
  • Less space for heating gives you more space for living
  • Includes isolation and PRV valves; no additional purchase needed
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Product Overview

Welcome to ultimate efficiency. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and optimized LEED eligibility, our tankless solutions can increase your home's value. You can even qualify for energy efficiency rebates and tax credits. It's a smart investment for now and the future.
  • ENERGY STAR qualified with Uniform Energy Factor of 0.93
  • ThermaCirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for homes without a dedicated return line
  • Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
  • Save energy and reduce utility costs by operating only when hot water is needed
  • Maximum output, minimum space; suitable for installation in non-traditional spaces such as crawl spaces and attics
  • Multiple venting options available including PVC/CPVC using the Ubbink concentric to twin pipe adaptor allow for an easy installation
  • Wi-fi ready
  • Residential warranty: limited 15-year or 12,000 hours on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor); commercial warranty: limited 8-year or 12,000 hours on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)
  • Rinnai is changing the language in its warranty terms and conditions found in the current User Installation manuals; The existing statement will be replaced by the following: "This Limited Warranty applies only to products that are installed in the United States and Canada. Improper installation may void this Limited Warranty; It is recommended that a trained and qualified professional who has attended a Rinnai installation training class complete your installation" All warranties (old or new manual) will be honored as written above
  • You can be confident in choosing to install Rinnai tankless technology in your home; our commitment to quality has made us the #1 selling tankless water heating brand in North America; your family deserves nothing less
  • Professional installation recommended; please call 833-746-6210
  • Rinnai branded accessories will ensure optimal performance of your Rinnai Tankless Water Heater.

  • Click here for more information on Electronic Recycling Programs
  • California residents

Additional Resources

From the Manufacturer

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Compare Similar Tankless Gas Water Heaters

Super High Efficiency Plus 11 GPM Residential 199,000 BTU Natural Gas Interior Tankless Water Heater
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Super High Efficiency Plus 11 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water Heater
Top RatedSuper High Efficiency Plus 11 GPM Residential 199,000 BTU Interior Natural Gas Tankless Water Heater
NameSuper High Efficiency Plus 11 GPM Residential 199,000 BTU Natural Gas Interior Tankless Water HeaterSuper High Efficiency Plus 11 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water HeaterSuper High Efficiency Plus 11 GPM Residential 199,000 BTU Interior Natural Gas Tankless Water Heater
Gas TypeNatural GasNatural GasNatural Gas
Number of Showers2-42-42-4
Application TypeResidentialResidentialResidential
Efficiency LevelSuper HighSuper HighSuper High
Water Heater FeaturesFreeze Protection,Wall Mounted,WiFiFreeze Protection,Wall Mounted,WiFiFreeze Protection,Wall Mounted,WiFi
Fuel TypeGasGasGas
Total BTU199000 Btu199000 Btu199000 Btu
View ProductView ProductView Product



Product Depth (in.)11.5 inProduct Height (in.)26.4 in
Product Width (in.)18.5 inVent diameter (in.)5 in
Water Connection Size (in.)3/4 in


Application TypeResidentialEfficiency LevelSuper High
Finish FamilySilver MetallicFlow Rate @ 35°F Rise (gallons/min)9.8 gal (US)/min
Flow Rate @ 45°F Rise (gallons/min)8.5 gal (US)/minFlow Rate @ 55°F Rise (gallons/min)7 gal (US)/min
Flow Rate @ 65°F Rise (gallons/min)5.9 gal (US)/minFuel TypeGas
Gas Connection Size3/4 inGas TypeNatural Gas
Heat Exchanger Warranty15 YearIndoor/OutdoorOutdoor
Maximum Temperature (F)185 °FMinimum Activation Rate (gpm)0.4
Minimum Temperature (F)98 °FNumber of Showers2-4
Pack Size1Product Weight (lb.)73 lb
Required Volt Connection120 voltReturnable90-Day
Total BTU199000 BtuUniform Energy Factor0.93
Vent TypeSingle WallWater Heater FeaturesFreeze Protection,Wall Mounted,WiFi
Wattage (watts)81 W

Warranty / Certifications

Certifications and ListingsAHRI Certified,CSA CertifiedLabor Warranty1 Year
Part Warranty5 Year

Questions & Answers

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Customer Reviews

  • 4.1
    out of 58 reviews
  • 0%recommend this product
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Showing 1-10 of 58 reviews
Works great. Took a little planning on running the ...
Works great. Took a little planning on running the all the lines to and from the unit. It’s able to keep up with my tub and shower which neither use water saving faucets. The recirculating feature is pretty sweet as well once you have the schedule set up it’s really nice to turn the faucets and have warm water instantly and full heat within a few seconds.
  • Verified Purchase
I don’t like to give anything 5 stars until it...
I don’t like to give anything 5 stars until it passes the test of time. I have a 2 bath house with 5 (Me, wife, 2 young adults and pre-teen). I installed myself which was very straight forward. Unit came with valves and relief valve, so only needed piping. This unit has the recirculating pump built in and bypass valve. The Wi-Fi module setup was easy. Usually on things like this they can be a pain, but it connected first time. The app shows when the unit is running as well as when it is in circulating mode. Circ mode can be programmed for specific time and duration. Only thing negative was Rinnai does not clearly give info on gas regulator. Found YouTube video of plumber who installs these. Rinnai Guy. He has good info. I have been using it now for a couple months. No issues. Water is hot. Digital display on unit shows temp. Easy program interface. Very pleased so far.
    Quality product, but...
    The Rinnai tankless H2O heater works as advertised-- water gets heated quickly, and with the wi-fi controller installed, I can use my smartphone or tablet to control aspects of it, i.e. enabling hot water on demand and setting the temperature of the water. However it is the APP that needs some work. There is *minimal* information on the app's features and how to use it. It's a great idea that just needs a little work to make it truly useful.
      a GREAT unit with a couple of minor gripes.
      This compact unit was a GREAT buy. A little noisy for an outdoor unit when fan starts up but quickly settles down within a few seconds. If power is lost, temp settings are also lost.. the cover has to be removed from the unit to override the max temp of 120 which I set a little higher to 130. The recirculation system works flawlessly and I love it.. hot water in a second or two. It has not malfunctioned or caused any issues with supply of hot water, also saves a ton of space. Last but not least, the Rinnai app is nice to use. I can turn on/off the recirculation feature, change temp or view usage statistics real-time. Overall my family and I are happy with our purchase.
        Great System
        The Rinnai tankless gas hot water system is great when the circulating system is an added feature.
          Hot hot water
          We have only had our heater for 2 months but so far it is producing all the hot water we need.
            I purchased the circulation option to have hot water right away. I have had nothing but problems with this. First, it came with a WiFi controls which did not work well, so we had it replaced with a manual control panel. Every time the power goes out, the recirc function turns off. Then I have to go outside and remove the outer panel to reset it.
              Our Installation
              We have had our unit running for just about a month. It is a Sensei NG outdoor unit. We also purchased pipe cover and bottom plate. It is compact, easy installation when following Rinnai Instructions. Circulation pump provides hot water pretty quickly. Love that the unit can be easily repaired and serviced, which reduces costs. On the operating side we found there isn’t a lot of information for the owner. We had some issues setting up WiFi buttons, we fixed one, now the other is not working. May just be batteries. WiFi App could be better, it takes a little time to get the hang of. We use it instead of the buttons. We have had a couple of times if you turn hot water off, then back on within a short period of time, the water turned cold, and seemed to not start heating without turning off hot water faucet off and waiting a minute to get hot water again. We haven’t figured that one out, we have talked with dealer and did some googling no clear answer yet. Overall we are ple
                I never run out of hot water, and with the recirculating valve hot water is available as needed throughout my home. I don’t waste water waiting for it to heat.
                  Control-R is non-functional
                  Control-R is the reason for purchase, however it does not work as advertised.
                    Showing 1-10 of 58 reviews