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Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP

By Rinnai | Model: IP090099C | ID: 60256
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Product Details

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

The I-SERIES Plus™ Combi Condensing Gas Boiler from Rinnai combines high-efficiency space heating and domestic hot water in a compact, wall-mounted design. The IP090099C delivers 90,000 BTU for heating and 99,000 BTU for domestic hot water, supporting a maximum 5.3 GPM flow rate, making it ideal for homes requiring simultaneous heating and hot water.

Featuring Smart Sense™ Adaptive Gas Valve technology, Smart-Circ™ recirculation, and an integrated pump, the IP090099C allows easy fuel conversion between Natural Gas and Propane, supports 4-zone heating, and provides reliable comfort without sacrificing energy efficiency. Built-in Wi-Fi and Bluetooth connectivity via the Rinnai Central App ensures modern remote control and monitoring.

Key Features

  • Combi condensing gas boiler (heating + domestic hot water)
  • Indoor wall-mounted installation
  • Fuel type: Natural Gas or Propane
  • 96% AFUE high-efficiency rating (ENERGY STAR® certified)
  • Smart Sense™ Adaptive Gas Valve technology for automatic fuel calibration
  • Integrated pump for simplified central heating installation
  • Smart-Circ™ intelligent recirculation for faster hot water delivery
  • 4-zone capability for multiple heating zones
  • Simultaneous DHW and space heating operation
  • Maximum 5.3 GPM domestic hot water flow rate
  • Direct electronic ignition
  • Compact, wall-mounted or floor-mounted rack design
  • SCAQMD approved – Ultra Low NOx

View More Boilers

Specifications

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

Brand Rinnai SKU IP090099C
Product Type Combi Condensing Gas Boiler Application Heating / Domestic Hot Water
Series I-Series Plus Installation Type Indoor
Gas Type Natural Gas / Propane Color Gray
Heating Input (Min) 15,000 BTU/H (4.39 kW) Heating Input (Max) 90,000 BTU/H (26.3 kW)
Domestic Hot Water Output 99,000 BTU/H (up to 5.3 GPM) Turndown Ratio 6.0:1
Flow Rate (Max) 5.3 GPM Sound Level 45 dB
ENERGY STAR® Yes SCAQMD Approved Ultra Low NOx
Cascading Capable Yes Recirculation Capable Yes
Ignition System Direct Electronic Ignition Mounting Type Wall or Floor Mounted Rack
Gas Supply Connection 3/4 in MNPT (19 mm) Cold Water Inlet 3/4 in MNPT (19 mm)
Condensate Line 1/2 in NPT (13 mm) Electrical Voltage 120V, 60Hz
Electrical Consumption 165 W (Normal) / 8 W (Standby) Electrical Amperage 14 Amps (Max)
Product Depth 11.5 in (292.1 mm) Product Height 26.4 in (670.56 mm)
Product Width 18.5 in (470 mm) Product Weight 73 lb (33.11 kg)
UPC 766156017186
Warranty

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

Warranty Type Heat Exchanger Parts Labor
Standard Residential 12 years 5 years 1 year
Documents

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

Product Brochure

Specifications Sheet

Installation/Owner's Manual

Warranty

Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at [email protected].

Returns: For returns unrelated to damage, contact us at [email protected] for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at [email protected] or call (833) 658-3387.

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Product Details

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

The I-SERIES Plus™ Combi Condensing Gas Boiler from Rinnai combines high-efficiency space heating and domestic hot water in a compact, wall-mounted design. The IP090099C delivers 90,000 BTU for heating and 99,000 BTU for domestic hot water, supporting a maximum 5.3 GPM flow rate, making it ideal for homes requiring simultaneous heating and hot water.

Featuring Smart Sense™ Adaptive Gas Valve technology, Smart-Circ™ recirculation, and an integrated pump, the IP090099C allows easy fuel conversion between Natural Gas and Propane, supports 4-zone heating, and provides reliable comfort without sacrificing energy efficiency. Built-in Wi-Fi and Bluetooth connectivity via the Rinnai Central App ensures modern remote control and monitoring.

Key Features

  • Combi condensing gas boiler (heating + domestic hot water)
  • Indoor wall-mounted installation
  • Fuel type: Natural Gas or Propane
  • 96% AFUE high-efficiency rating (ENERGY STAR® certified)
  • Smart Sense™ Adaptive Gas Valve technology for automatic fuel calibration
  • Integrated pump for simplified central heating installation
  • Smart-Circ™ intelligent recirculation for faster hot water delivery
  • 4-zone capability for multiple heating zones
  • Simultaneous DHW and space heating operation
  • Maximum 5.3 GPM domestic hot water flow rate
  • Direct electronic ignition
  • Compact, wall-mounted or floor-mounted rack design
  • SCAQMD approved – Ultra Low NOx

View More Boilers

Specifications

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

Brand Rinnai SKU IP090099C
Product Type Combi Condensing Gas Boiler Application Heating / Domestic Hot Water
Series I-Series Plus Installation Type Indoor
Gas Type Natural Gas / Propane Color Gray
Heating Input (Min) 15,000 BTU/H (4.39 kW) Heating Input (Max) 90,000 BTU/H (26.3 kW)
Domestic Hot Water Output 99,000 BTU/H (up to 5.3 GPM) Turndown Ratio 6.0:1
Flow Rate (Max) 5.3 GPM Sound Level 45 dB
ENERGY STAR® Yes SCAQMD Approved Ultra Low NOx
Cascading Capable Yes Recirculation Capable Yes
Ignition System Direct Electronic Ignition Mounting Type Wall or Floor Mounted Rack
Gas Supply Connection 3/4 in MNPT (19 mm) Cold Water Inlet 3/4 in MNPT (19 mm)
Condensate Line 1/2 in NPT (13 mm) Electrical Voltage 120V, 60Hz
Electrical Consumption 165 W (Normal) / 8 W (Standby) Electrical Amperage 14 Amps (Max)
Product Depth 11.5 in (292.1 mm) Product Height 26.4 in (670.56 mm)
Product Width 18.5 in (470 mm) Product Weight 73 lb (33.11 kg)
UPC 766156017186
Warranty

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

Warranty Type Heat Exchanger Parts Labor
Standard Residential 12 years 5 years 1 year
Documents

Rinnai 90,000 BTU Condensing Gas Boiler Combined Heater Wall Mounted NG/LP IP090099C

Product Brochure

Specifications Sheet

Installation/Owner's Manual

Warranty

Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at [email protected].

Returns: For returns unrelated to damage, contact us at [email protected] for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at [email protected] or call (833) 658-3387.

Reviews