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The I-Series Combi models feature Rinnai’s exclusive self-cleaning stainless-steel heat exchanger coupled with a secondary flat plate heat exchanger. The combi models can deliver whole-house heating and simultaneous domestic hot water. 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.

Features Include:

  • Concentric Vent or 2" Exhaust Option for maximum installation and venting configurability
  • 2" Intake Vent Connections for flexibility with the use of 2" PVC/CPVC/PP on vent runs up to 65 feet 
  • Fiber Mesh Premix Burner provides even flame distribution for peak performance under any demand
  • Integrated Check Valve prevents cold air from entering the venting system and backflow of exhaust in common vent applications
  • Turbo Fan enables vent runs of up to 65 feet with 2"/4" concentric and 2" PVC/CPVC/PP and up to 150 feet with 3"/5" concentric and 3" PVC/CPVC/PP
  • Switching Venturi provides a consistent mixture of air and gas to the burner to self-compensate in areas with low or fluctuating gas pressures
  • Zero Governor Gas Valve provides optimal combustion by delivering the right mixture of air and gas for hot water demand
  • Primary and Secondary Stainless Steel Heat Exchangers designed to resist the corrosive nature of condensate for a longer lifespan
  • Servo-Based Temperature Controller works to deliver precise DHW temperature control, eliminating the need for a mixing valve
  • Innovative Logic allows for 2-zone capability with option of designating one zone for DHW recirculating pump
  • Stainless Steel Flat Plate Domestic Hot Water Heat Exchanger
  • Proportional Valve and Integrated Pump deliver domestic hot water and central heating simultaneously without interruption
  • Warranty: 12 yrs on Heat Exchanger/ 5 years on Parts/ 1 Year on Labor



I-Series Boiler.png
Unit of Measure
1 

Item #

Item Name

QTY Avbl
For Sale

Stock Class

List

UOM Price

UOM

I060CN N/A Boiler Max HTG Btu 60K Combi NG N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} {QUOTE} N/A {-}
I090CN N/A Boiler Max HTG Btu 90K Combi NG N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} {QUOTE} N/A {-}
I120CN N/A Boiler Max HTG Btu 120K Combi NG N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} N/A {-} {QUOTE} N/A {-}
Unit of Measure
1