i090CN I-Series Model Series

Condensing Boiler View Energy Guide
4.3/5 stars from 50 reviews

The I- Series i090CN model features Rinnai’s exclusive self-cleaning stainless-steel heat exchanger coupled with a secondary flat plate heat exchanger. Our combi models can deliver whole house heating and simultaneous domestic hot water. The i090CN provides an input rating of 90K Btu. Fueled with either Natural Gas or Propane this Rinnai condensing gas boiler has obtained one of the highest AFUEs (Annual Fuel Utilization Efficiency) in the industry. Plus, the compact wall-mounted design saves space over traditional boilers.

  • Warranty 12 yrs on Heat Exchanger/ 5 years on Parts/ 1 Year on Labor
  • 15,000 BTU / (4.3 kW) (minimum)
    160,000 BTU / (46.9 kW) (maximum)

iWarranty information is available in the Installation & Owner Manual.

Related Products



stars View This Product
I-Series Combi Prim Sec Heating Kit

I-Series Combi Prim Sec Heating Kit

View All Accessories