RE180iN RE Model Series

High Efficiency View Energy Guide

RE180iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Ideal for small to medium homes or remodels. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations; Rinnai products provide peace of mind with warranties that surpass the competition.

  • Uniform Energy Factor (UEF): 0.82
  • Warranty 15 yr Heat Exchanger / 5 yr Parts / 1 yr Labor
  • 10,400 BTU (minimum)
    180,000 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.