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Rinnai i120CN Combi Boiler – 120,000BTU


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.

– The i120CN combi condensing gas boiler model offers high volume domestic hot water delivery providing endless hot water for whole home along with the comfort of whole home heating

– Combi models offer outdoor reset to optimize your home heating performance and features an integrated modulating pump, with an outdoor reset sensor (in the box)

– Excellent operational performance with 95% AFUE efficiency and Energy Star Most Efficient certified


*Installation cost may vary depending on location and/or difficulty of installation. Installation may not be available in all cities/towns across Canada


Manufacturer Trade Model Number: i120CN

Product Height: 26.4 in / (671 mm)

Product Width: 18.5 in / (471 mm)

Product Depth: 10.9 in / (276 mm)

Product Weight: 73.0 lb / (33 kg)

Boiler Application: Combination

Fuel Type: Convertible

AFUE Rating: 95.9%

Turn Down Ratio: 6.0:1

Max Input – Central Heating: 120,000 BTU / (26.4 kW)

Maximum Electrical Consumption: CH: 158 watts DHW: 174 watts

Standby Electrical Consumption: 4 watts

Boiler Pump: Fixed Speed

Venting Material: PolyPropylene, Stainless Steel, PVC, CPVC

Residential/Commercial Application: Residential / Commercial

Low Lead Compliant: Yes

SCAQMD Approved: Ultra Low NOx