i120CN I-Series Model Series

The I- Series i120CN 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 i120CN provides an input rating of 120K 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)


Product Depth 10.9 in / (276 mm)
Product Height 26.4 in / (671 mm)
Product Width 18.5 in / (471 mm)
Product Weight 76.1 lb / (34.5 kg)
Gas Type NG | LP
Recirculation Capable Yes
Residential ENERGY STAR® Yes
Domestic Hot Water Flow Rate (Maximum) 9.8 GPM / (37.1 l/min)
SCAQMD Approved Ultra Low NOx
Central Heating Capacity 120,000 BTU / (35.2 kW)

Inquire about this product


Call Now Button