RU180iN RU Model Series

Super High Efficiency Plus View Energy Guide
4.4/5 stars from 308 reviews

Enjoy an endless supply of hot water with the SENSEI™ RU180iN Super High Efficiency Plus condensing tankless water heater from Rinnai. Only the size of a small suitcase, the natural gas RU180iN model is compact, easy-to-install and perfect for indoor locations.

  • Energy Factor: 0.95
    Uniform Energy Factor: 0.93
  • Warranty 15 yr / 5 yr / 1 yr
  • 15,000 BTU (minimum)
    180,000 BTU (maximum)
  • Indoor Only
  • Up to twice the lifespan of most tanks
  • Never run out of hot water
  • Compact size to fit every space

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