Skip to content
About Us FAQs Contact Us Price Match Guarantee My Account
June Sale Is Live! | Click Or Call 833-658-3387
Rinnai IP120S
Rinnai IP120S 01
Rinnai IP120S
Rinnai IP120S 01

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas

By Rinnai | Model: IP120S | ID: 60262
✓ No Sales Tax - in most states excluding California
✓ Manufacturer Warranty Included
✓ Satisfaction Guarantee - or return within 30 Days
✓ Most Products In Stock - Call or Text (833) 658-3387 for availability
$2,271.50 + FREE SHIPPING

ADD TO CART FOR BEST PRICE
Product Details

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

The NEWI-SERIES Plus line of Solo and Combi Condensing Gas Boilers offers unmatched value and performance with an expanded product line that incorporates Smart Sense Adaptive Gas Valve technology. Now, with just the touch of a button on the unit controller or your smartphone, you can select your fuel type—no need for conversion kits.

With the I-SERIES Plus, one SKU really can do it all. It is Bluetooth enabled for easy pairing with your handheld device, eliminating the need for a Wi-Fi connection. Simply download the Rinnai Central app to quickly adjust parameter settings and register the unit, saving an estimated 15 minutes per installation.

The I-SERIES Plus offers exceptional features like 4-zone capability and 2" venting up to 75 ft. It also retains all the features that made the original I-SERIES a top choice, including the proportional valve that allows simultaneous delivery of domestic hot water and space heating for all Combi-Units.

Note: Product title reflects this boiler's maximum heating input BTUs (MBH).

Product Features:

  • Smart Sense Adaptive Gas Valve Technology: Easily select your fuel type at the touch of a button with no conversion kits needed.
  • Bluetooth Enabled: Easily pair with your handheld device without needing a Wi-Fi connection for setup and adjustments.
  • Rinnai Central App: Download the app to streamline parameter settings and registration, saving valuable time during installation.
  • 4 Zone Capability: Ideal for multi-zone systems, offering versatile heating solutions for both residential and commercial applications.
  • 2" Venting up to 75 ft.: Suitable for a wide range of venting installations, offering flexibility for different setups.
  • Proportional Valve for Simultaneous DHW and Space Heating: Ensures efficient operation by delivering both domestic hot water and space heating simultaneously on all Combi-Units.

Important Installation Note:

Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for installation.

View More Boilers

Specifications

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

Brand Rinnai Model IP120S
Cascading (Y/N) Yes Central Heating Turn Down Ratio 8.0:1
Cold Water Inlet Connection 3/4" MNPT / (19 mm) Color Gray
Condensate Line Connection 1/2" NPT / (13 mm) Gas Supply Connection 3/4" MNPT / (19 mm)
Heating - Fuel Gage Available No Heating Input Natural Gas (Btu/h & kW) - Maximum 120,000 BTU / (35.16 kW)
Heating Input Natural Gas (Btu/h & kW) - Minimum 15,000 BTU / (4.39 kW) Ignition System Direct Electronic Ignition
Mounting Type Wall or floor mounted rack Recirculation Capable No
RevitWidgetID 58695 Sound Level 40
Electrical Amperage - Maximum 14 Amps Electrical Consumption (Normal) 50 watts
Electrical Consumption (Standby) 8 watts Electrical Voltage 120V, 60Hz
Product Depth 11.5 in / (292.1 mm) Product Height 26.4 inch / (670.56 mm)
Product Weight 112.4 lb / (50.9 kg) Product Width 18.5 inch / (470 mm)
Warranty

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

Warranty Type Heat Exchanger Parts Labor
Standard For Residential 12 Years 5 Years 1 Year
Standard For Commercial 5 Years 5 Years 1 Year
Documents

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

Product Overview

Installation Manual

Specification Sheet

Technical Data Sheet

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
Questions & Answers loading...

Our Real Customer Reviews

See what our customers have said about us.

Customers rate us 4.9/5 based on 28 reviews.
Product Details

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

The NEWI-SERIES Plus line of Solo and Combi Condensing Gas Boilers offers unmatched value and performance with an expanded product line that incorporates Smart Sense Adaptive Gas Valve technology. Now, with just the touch of a button on the unit controller or your smartphone, you can select your fuel type—no need for conversion kits.

With the I-SERIES Plus, one SKU really can do it all. It is Bluetooth enabled for easy pairing with your handheld device, eliminating the need for a Wi-Fi connection. Simply download the Rinnai Central app to quickly adjust parameter settings and register the unit, saving an estimated 15 minutes per installation.

The I-SERIES Plus offers exceptional features like 4-zone capability and 2" venting up to 75 ft. It also retains all the features that made the original I-SERIES a top choice, including the proportional valve that allows simultaneous delivery of domestic hot water and space heating for all Combi-Units.

Note: Product title reflects this boiler's maximum heating input BTUs (MBH).

Product Features:

  • Smart Sense Adaptive Gas Valve Technology: Easily select your fuel type at the touch of a button with no conversion kits needed.
  • Bluetooth Enabled: Easily pair with your handheld device without needing a Wi-Fi connection for setup and adjustments.
  • Rinnai Central App: Download the app to streamline parameter settings and registration, saving valuable time during installation.
  • 4 Zone Capability: Ideal for multi-zone systems, offering versatile heating solutions for both residential and commercial applications.
  • 2" Venting up to 75 ft.: Suitable for a wide range of venting installations, offering flexibility for different setups.
  • Proportional Valve for Simultaneous DHW and Space Heating: Ensures efficient operation by delivering both domestic hot water and space heating simultaneously on all Combi-Units.

Important Installation Note:

Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for installation.

View More Boilers

Specifications

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

Brand Rinnai Model IP120S
Cascading (Y/N) Yes Central Heating Turn Down Ratio 8.0:1
Cold Water Inlet Connection 3/4" MNPT / (19 mm) Color Gray
Condensate Line Connection 1/2" NPT / (13 mm) Gas Supply Connection 3/4" MNPT / (19 mm)
Heating - Fuel Gage Available No Heating Input Natural Gas (Btu/h & kW) - Maximum 120,000 BTU / (35.16 kW)
Heating Input Natural Gas (Btu/h & kW) - Minimum 15,000 BTU / (4.39 kW) Ignition System Direct Electronic Ignition
Mounting Type Wall or floor mounted rack Recirculation Capable No
RevitWidgetID 58695 Sound Level 40
Electrical Amperage - Maximum 14 Amps Electrical Consumption (Normal) 50 watts
Electrical Consumption (Standby) 8 watts Electrical Voltage 120V, 60Hz
Product Depth 11.5 in / (292.1 mm) Product Height 26.4 inch / (670.56 mm)
Product Weight 112.4 lb / (50.9 kg) Product Width 18.5 inch / (470 mm)
Warranty

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

Warranty Type Heat Exchanger Parts Labor
Standard For Residential 12 Years 5 Years 1 Year
Standard For Commercial 5 Years 5 Years 1 Year
Documents

Rinnai 120,000 BTU Condensing Gas Boiler Heat Only Wall Mounted Natural Gas IP120S

Product Overview

Installation Manual

Specification Sheet

Technical Data Sheet

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