- Uniform Energy Factor- 0.82
- Warranty 15 yr Heat Exchanger / 5 yr Parts / 1 yr Labor
- 10,400 BTU (minimum)
- 180,000 BTU (maximum)
- Indoor Only
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.