RUCS75iN RUCS Model Series

Super High Efficiency View Energy Guide
4.4/5 stars from 460 reviews

Enjoy an endless supply of hot water with the RUCS75iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnail. Only the size of a small suitcase, the RUCS75iN is compact, easy-to-install and perfect for indoor locations.

  • Uniform Energy Factor (UEF): 0.9
  • Warranty 12 yrs on Heat Exchanger/ 5 years on Parts/ 1 Year on Labor
  • 10,300 BTU (minimum)
    160,000 BTU (maximum)
  • Indoor
  • Up to twice the lifespan of most tanks
  • Never run out of hot water
  • Compact size to fit every space

iWarranty information is available in the Installation & Owner Manual.

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