Rinnai i090SN Gas Boiler

The I- Series i090SN model features Rinnai’s exclusive self-cleaning stainless-steel heat exchanger coupled with a secondary flat plate heat exchanger. This heat-only model can deliver whole house heating to enhance your comfort. The i090SN 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.

  • Heat-Only
  • Convertible
  • Indoor Only
Categories: , Tag:
  • The i090SN condensing gas boiler heat-only model offers the comfort of whole home heating
  • This heat-only model offers an outdoor reset sensor (in the box) to optimize your home heating performance
  • Excellent operational performance with 95% AFUE efficiency and Energy Star Most Efficient certified
Manufacturer Trade Model Number – Canada i090SN
Product Height 26.4 in / (671 mm)
Product Width 18.5 in / (471 mm)
Product Depth 10.9 in / (276 mm)
Product Weight 59.2 lb / (27 kg)
Boiler Application Heat-Only
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 N/A
Domestic Hot Water Flow Rate @ 70°F Rise N/A
Maximum Electrical Consumption 50 watts
Standby Electrical Consumption 4 watts
Boiler Pump Field Supplied
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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David TsuchiyaDavid Tsuchiya

I had my tankless water heater replaced through Cozy Comfort Plus. Brian was very helpful and his technician did his best to ensure the new model would fit the tight nook that the original one was in. The team installed the new heater quickly and ensured the location was clean afterwards. Overall, I was very satisfied with the installation and service.

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Maria LeitaoMaria Leitao

Maury from Cozy Comfort did a fantastic job of examining the functionality of my furnace and cleaning the major components. He tested my furnace to make sure that it would run efficiently in the winter. My humidifier was cleaned, the drip pad replaced and settings properly set up. Thank you Maury for your effective care. thank you Cozy Comfort- you are a company that has proven your worth over the past 25 years that you have looked after my family's heating and cooling needs.

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David GucciardiDavid Gucciardi

Cozy Comfort came highly recommended by my parents after they did some work for them. We had a new furnace, water heater, humidifier, and thermostat installed and they did a great job from the initial visit to the final install.

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