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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.

  • Compact design: saves space
  • Never run out of hot water
  • Up to twice the lifespan of most tanks
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