Rinnai Tankless Water Heater

The ultra experience of an endless supply of hot water



Thanks to superior design and engineering,Rinnai residential and commercial water heating and home heating solutions continually raise the standard in comfort,convenience and reliability. In fact, our commitment to building in quality at every level has made Rinnai Tankless Water Heaters the #1 selling tankless water heating brand in the U.S. and Canada.

Rinnai Ultra Series Available Models:

RUR98i -- RUC98i -- RUC90i 

RUC80i -- RUC75i -- RUC65i 

Here are some of the top features of the Rinnai Ultra Series:

Efficiency rating of up to 96% AFUE.

ENERGY STAR® certified which means it meets or exceeds U.S. federal guidelines for energy efficiency.

Low gas pressure operation negative pressure gas valve ensures maximum performance all the way down to a minimum gas pressure of 3.5" W.C.

Electronic ignition control burns fuel only when necessary, reducing energy costs.

PVC or Concentric venting For installation flexibility

Available sizes: 130K,150K,160K,180K and 199K

Quiet Operation

  • Sealed combustion—minimizes fan noise and provides quiet, soothing heat

Home Comfort

  • Hot water right before your eyes— Imagine turning on a shower and getting hot water almost immediately. Considering the average family loses precious time and numerous gallons a day waiting for water to heat up, that would be an invaluable change in routine. If you’re tired of standing idly by while time and water go down the drain, Rinnai has five words that are sure to inspire you: Faster Hot Water Is Here!

Energy Efficiency

  • ENERGY STAR® certified—meets or exceeds EPA guidelines for energy efficiency, which means energy savings
  • Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed

Reliable Performance

  • Copper heat exchanger—for unparalleled quality, durability and safety
  • 12-Year Limited Warranty on heat exchanger
  • 5-Year Limited Warranty on covered components

Product Brochures and Manuals

Rinnai Ultra Series


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