Rinnai i120CN 199,000 BTU DHW 120,000 BTU HTG Condensing Combi-Boiler

  • 13.3:1 DHW and 8:1 heating TDR
  • 95.5% AFUE and ultra low NOX (SCAQMD approved)
  • 5.1 GPM (19 L/min) DHW input
  • Simultaneous delivery of hot water and home heating
  • Dimensions: 18.5" W x 26.4" H x 10.9" D

Save $615.27
RinnaiSKU: RI120CN

Retail price:Wholesale price:
Wholesale price$3,691.60 Sale price$3,076.33

As low as $76.14 per month

The high-efficiency Rinnai i120CN model features Rinnai's exclusive self-cleaning stainless-steel exchanger coupled with a secondary flat plate heat exchanger. This combination model can deliver whole house heating and simulatenous domestic hot water.

This model includes a liquid propane field conversion kit, wall mounting bracket, CH pressure relief valve (30 PSI), outdoor temperature sensor, and a vent top with integrated 2" PVC or 3" x 5" concentric vent adapter in addition to the boiler.


  • Factory installed pump
  • Outdoor reset control system with sensor
  • Built-in DHW plate heat exchanger
  • Modulating wire mesh burner
  • Stainless steel water tube condensing heat exchanger
  • Direct vent sealed combustion
  • Compact and lightweight design
  • Approved for room and closet installations


Rinnai's I-Series line of products come with 12-year heat exchanger, 5-year parts, and 1-year labor limited warranties.

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