Rinnai i090CN Gas Boiler

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.

  • Combination
  • Convertible
  • Indoor Only
Categories: , Tag:
  • The i090CN 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
Rinnai i090CN Gas Boiler was last modified: August 17th, 2020 by HVAC Expert
Manufacturer Trade Model Number – Canada i090CN
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
Min Input – Heating and Domestic Hot Water 15,000 BTU / (4.3 kW)
Max Input – Central Heating 90,000 BTU / (26.4 kW)
Max Input – Domestic Hot Water 160,000 BTU / (46.9 kW)
Domestic Hot Water Flow Rate @ 70°F Rise 4.1 GPM / (15.5 l/min)
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

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Jeffrey HoffmanJeffrey Hoffman

From installation to maintenance, Cozy Comfort Plus Inc. provided us with prompt, quality service. It took under a day to install our Mitsubishi split-type air conditioner in May, 2021. This week, they attended to cleaning our unit’s filters in less than a day’s notice. The technician explained how to remove, clean and reinstall the filters ourselves which will save us money down the road. I highly recommend Cozy Comfort without reservation.

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Jon ConwayJon Conway

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Everything happened exactly on schedule and as planned. It was a well oiled machine!! The crews that were here to build everything were super friendly, kind, courteous and knowledgeable.

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Kenny LeungKenny Leung

Brian once again helped me with my project. Before I have installed a gas fireplace and this time I have installed an LG heat pump with 3 indoor heads. We had an amazing experience with Brian and his team for both projects from quote to installation. Brian is experienced, patient, reliable, and provides great friendly service. He’s also tells very interesting life stories which makes enhances the whole experience. All my future business is going to his company. Thanks again Brian!

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