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i120CN I-Series Model Series
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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
- 15,000 BTU / (4.3 kW) (minimum)
199,000 BTU / (58.3 kW) (maximum)
Specifications
| Manufacturer Trade Model Number - U.S. | i120CN |
|---|---|
| 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 | Natural Gas |
| 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) |
Documentation
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VERSION 5 UBBINK INSTRUCTIONS FOR FLEX VENT KITPDF 2 MB
VERSION 5 UBBINK INSTRUCTIONS FOR FLEX VENT KITPDF 2 MB
Air Handler Switch Installation Instructions - RU/RUR/RE/CUPDF 2 MB -
PDF 605 KB -
_191204 Rinnai USA Manual 2-4 Condensing English@small.jpg)
Condensing Installation Manual - RU/RSC/CU/RURPDF 2 MB
Installation Manual: I-Series Combi Boiler (French)PDF 11 MB
Installation Manual: I-Series Combi Boiler (English)PDF 11 MB
User Manual: I-Series Combi Boiler (French)PDF 2 MB
User Manual: I-Series Combi Boiler (English)PDF 2 MB -
Brochure_I-Series_Boiler_R-TR-HT-E-11.pdfPDF 648 KB
Sell Sheet_I-Series Boiler_R-TR-HT-E-12.pdfPDF 508 KB -
Venting Spec Sheet: IPEX System 636 PVC/CPVC Termination KitsPDF 453 KB
Spec Sheet: I-Series Combi Boiler Plumbing KitPDF 454 KB
Spec Sheet: I-Series Combi BoilerPDF 1 MB -
Tech Bulletin No 157: Hydraulic Separation Required for Rinnai Boilers EnglishPDF 582 KB
Tech Bulletin No 158: I-Series Boiler with DHW Recirculation (TB-158)PDF 728 KB
Tech Bulletin No 160: I-Series Boiler Combustion Analysis (TB-160)PDF 235 KB
Tech Bulletin No 164: Warranty Update to I-Series (TB-164)PDF 273 KB
Tech Bulletin No 165: New Clearances for Twin Pipe Venting Systems (TB-165)PDF 308 KB
Tech Bulletin No 166: Updates to PC Board Ignition Sequence (TB-166)PDF 259 KB
I-SERIES CONDENSING BOILER PRODUCT UPDATESPDF 669 KB
Tech Bulletin No 171: I-Series Condensing Boilers Venting Configuration (TB-171)PDF 343 KB
Tech Bulletin No 172: Rinnai Natural Gas-Hydrogen Fuel Mixture Products (TB-172)PDF 279 KB
MSDS Higher Vinegar Concentration for Descaling Technical BulletinsPDF 417 KB -
I Series Combi Boiler Tech Data Sheet EnglishPDF 1 MB -
I-Series System Application DrawingsPDF 4 MB
iWarranty information is available in the Installation & Owner Manual.
