Skip to content
About Us FAQs Contact Us Price Match Guarantee Request A Quote My Account
July Sale Is Live! | Click Or Call 833-658-3387
Rinnai RCB301AN
Rinnai RCB301AN 01
Rinnai RCB301AN 02
Rinnai RCB301AN
Rinnai RCB301AN 01
Rinnai RCB301AN 02

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V

By Rinnai | Model: RCB301AN | ID: 60293
✓ 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
$9,230.01 + FREE SHIPPING

ADD TO CART FOR BEST PRICE
Working on a big project?
Free Shipping On Orders $1000 See our shipping policy
Flexible Financing Finance with Affirm. See terms
Lowest Price Guarantee Find it cheaper? We'll match it. See terms
Speak with an Expert Call us at (833) 658-3387
Product Details

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

The Rinnai RCB-Series is a high-efficiency, wall-mounted commercial condensing boiler designed to deliver reliable hydronic heating. With a powerful 301,000 BTU input and a 97% Thermal Efficiency rating, this Natural Gas boiler is engineered for demanding commercial environments. Its compact, space-saving design and superior turndown ratio make it an excellent choice for both new construction and retrofit applications in schools, hotels, and office buildings.

Important Note:
Installation, commissioning, and servicing of this heating equipment must be performed by a licensed and qualified professional in strict compliance with manufacturer guidelines, local codes, and industry standards. The manufacturer does not accept warranty claims or technical support inquiries from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for installation.

Product Features:

  • High Turndown Ratio: Provides precise load matching to maximize energy savings and reduce equipment cycling.
  • 97% Thermal Efficiency: Significantly lowers fuel consumption and operational overhead for commercial facilities.
  • Compact Wall-Mount Design: Saves valuable floor space in mechanical rooms while offering easy access for maintenance.
  • Smart Controls: Features an integrated controller for easy setup and system monitoring.

View More Boilers

Specifications

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

Brand Rinnai Model RCB301AN
BTU Max (Input) 301,000 BTU Fuel Type Natural Gas
Product Height 31.10 inch Product Width 19.70 inch
Thermal Efficiency 97% Electrical Voltage 120V
Warranty

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

Warranty Type Heat Exchanger Parts Labor
Standard For Commercial 10 Years 2 Years 1 Year
Documents

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

Specification Sheet

Submittal

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

Product Q&A

Have a specific question?

Be the first to ask a question about this product.

Our Real Customer Reviews

See what our customers have said about us.

Customers rate us 4.9/5 based on 31 reviews.
Connect with HVAC Store Support
Product Details

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

The Rinnai RCB-Series is a high-efficiency, wall-mounted commercial condensing boiler designed to deliver reliable hydronic heating. With a powerful 301,000 BTU input and a 97% Thermal Efficiency rating, this Natural Gas boiler is engineered for demanding commercial environments. Its compact, space-saving design and superior turndown ratio make it an excellent choice for both new construction and retrofit applications in schools, hotels, and office buildings.

Important Note:
Installation, commissioning, and servicing of this heating equipment must be performed by a licensed and qualified professional in strict compliance with manufacturer guidelines, local codes, and industry standards. The manufacturer does not accept warranty claims or technical support inquiries from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for installation.

Product Features:

  • High Turndown Ratio: Provides precise load matching to maximize energy savings and reduce equipment cycling.
  • 97% Thermal Efficiency: Significantly lowers fuel consumption and operational overhead for commercial facilities.
  • Compact Wall-Mount Design: Saves valuable floor space in mechanical rooms while offering easy access for maintenance.
  • Smart Controls: Features an integrated controller for easy setup and system monitoring.

View More Boilers

Specifications

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

Brand Rinnai Model RCB301AN
BTU Max (Input) 301,000 BTU Fuel Type Natural Gas
Product Height 31.10 inch Product Width 19.70 inch
Thermal Efficiency 97% Electrical Voltage 120V
Warranty

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

Warranty Type Heat Exchanger Parts Labor
Standard For Commercial 10 Years 2 Years 1 Year
Documents

Rinnai 301K BTU Natural Gas RCB-Series Commercial Wall Boiler 120V RCB301AN

Specification Sheet

Submittal

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