Skip to content
March Sale Is Live! | Click Or Call 833-658-3387

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

By Reznor | Model: UDXC-45 | ID: 900002
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
$1,372.00 + FREE SHIPPING

ADD TO CART FOR BEST PRICE

Product Details

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

The Reznor UDXC-45 Gas-Fired Unit Heater delivers reliable, high-efficiency heating for a wide range of applications including industrial spaces, commercial buildings, workshops, and residential garages. Built with Reznor’s advanced TCORE2® heat exchanger—crafted from titanium-stabilized aluminized steel—this unit offers exceptional durability and consistent performance.

With its modern, clean-lined design featuring a two-tone, scratch-resistant finish, the UDXC-45 combines functional excellence with aesthetic appeal. Hidden fasteners and rounded corners make it a great fit for any environment where both performance and appearance matter.

Included:

  • Reznor UDXC-45 45,000 BTU Low Static Axial Fan Convertible Gas-Fired Unit Heater

Key Features:

  • 45,000 BTU heating capacity
  • Axial propeller fan with 629 CFM air output
  • 83% efficiency (AFUE) for cost-effective performance
  • Field convertible to separated combustion
  • Sealed control compartment protects all internal electronics
  • TCORE2® heat exchanger made with titanium-stabilized aluminized steel
  • Vibration and noise-isolated fan and venter motors
  • Certified for commercial, industrial, and residential garage use

Product Note:

Replaces previous model UDX-45

View More Gas Fired Heater Units

Specifications

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

Brand Reznor SKU UDXC-45
Weight (in lbs) 62 Manufacturer Reznor
Replaces UDX-45 & UDZ45 Additional Info Air Throw: 40 Feet
Furnace Efficiency / AFUE 80-85% Heating BTU 40,000-49,999
Maximum CFM 629 Decibel Level (dBA) 40
Flue Location 4" Watt 155
Efficiency 83% Electrical 115 Volt 1 Phase 60 Hertz
Phase Single Phase Amperage Requirement 2.4 Amps
Operating Mode Heating Connection 1/2" NG/LP Connection to Gas Valve
Fuel Type Natural Gas Height 13 3/4"
Width 27" Depth 29 3/4"
Warranty 9 Year Heat Exchanger, Burner, and Flue Collection Box Assembly; 4 Year All Electrical and Mechanical Components
Warranty

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

Coverage 9 Years 4 Years
Warranty Heat Exchanger, Burner, and Flue Collection Box Assembly All Electrical and Mechanical Components
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 support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com 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 support@hvacstore.com or call (833) 658-3387.

Reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
Questions & Answers loading...

Our Real Customer Reviews

See what our customers have said about us.

Product Details

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

The Reznor UDXC-45 Gas-Fired Unit Heater delivers reliable, high-efficiency heating for a wide range of applications including industrial spaces, commercial buildings, workshops, and residential garages. Built with Reznor’s advanced TCORE2® heat exchanger—crafted from titanium-stabilized aluminized steel—this unit offers exceptional durability and consistent performance.

With its modern, clean-lined design featuring a two-tone, scratch-resistant finish, the UDXC-45 combines functional excellence with aesthetic appeal. Hidden fasteners and rounded corners make it a great fit for any environment where both performance and appearance matter.

Included:

  • Reznor UDXC-45 45,000 BTU Low Static Axial Fan Convertible Gas-Fired Unit Heater

Key Features:

  • 45,000 BTU heating capacity
  • Axial propeller fan with 629 CFM air output
  • 83% efficiency (AFUE) for cost-effective performance
  • Field convertible to separated combustion
  • Sealed control compartment protects all internal electronics
  • TCORE2® heat exchanger made with titanium-stabilized aluminized steel
  • Vibration and noise-isolated fan and venter motors
  • Certified for commercial, industrial, and residential garage use

Product Note:

Replaces previous model UDX-45

View More Gas Fired Heater Units

Specifications

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

Brand Reznor SKU UDXC-45
Weight (in lbs) 62 Manufacturer Reznor
Replaces UDX-45 & UDZ45 Additional Info Air Throw: 40 Feet
Furnace Efficiency / AFUE 80-85% Heating BTU 40,000-49,999
Maximum CFM 629 Decibel Level (dBA) 40
Flue Location 4" Watt 155
Efficiency 83% Electrical 115 Volt 1 Phase 60 Hertz
Phase Single Phase Amperage Requirement 2.4 Amps
Operating Mode Heating Connection 1/2" NG/LP Connection to Gas Valve
Fuel Type Natural Gas Height 13 3/4"
Width 27" Depth 29 3/4"
Warranty 9 Year Heat Exchanger, Burner, and Flue Collection Box Assembly; 4 Year All Electrical and Mechanical Components
Warranty

Reznor 45,000 BTU Gas-Fired Unit Heater Low Static Axial Fan Convertible

Coverage 9 Years 4 Years
Warranty Heat Exchanger, Burner, and Flue Collection Box Assembly All Electrical and Mechanical Components
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 support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com 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 support@hvacstore.com or call (833) 658-3387.

Reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)