RX180iN RX Model Series

Super High Efficiency Plus View Energy Guide

The SENSEI® RX180iN condensing tankless water heater from Rinnai is only the size of a small suitcase, uses either Natural Gas or Propane, and can be installed indoors or outdoors using the Versa-Vent™ accessory. Rinnai SENSEI® RX Series tankless water heaters last up to twice as long as tanks and have twice the warranty length. Plus, they save energy by heating water only when it is needed.

  • Uniform Energy Factor (UEF): 0.98
  • 15,000 BTU (minimum)
    180000 BTU (maximum)
  • Indoor or Outdoor
  • Warranty
  • 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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