Customer Reviews

Reznor UDX 30,000 BTU Natural Gas Unit Heater



In Stock - Ready to Ship




100 % of 100
Availability: In Stock - Ready to Ship

Authorized Reznor Dealer

Suggested Retail $1,661.00 Your Low Price Special Price $1,132.00
Bread Checkout
Free Shipping
Accessories for this product


Reznor® model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.

Standard Features

  • 82% AFUE Efficiency
  • TCORE2® Titanium-Stabilized Aluminized Steel Heat Exchanger
  • Multi-Try Direct Spark Ignition with Time Lockout
  • Low Noise Operation with Vibration-Isolated Fan and Venter Motors
  • Status-Indicating LED Light
  • 7-Segment Display Board for Simple Troubleshooting
  • Optional Integrated Downturn Nozzle and Integrated Vertical Louvers
  • 2- and 4-Point Suspension Options
  • External Gas Connection for Ease of Maintenance and Installation
  • Includes 4 Horizontal Louvers
  • ETL Approved

Product Specifications

More Information
Reznor UDX 30,000 BTU Natural Gas Unit Heater
Weight (in lbs) 63.000000
Brand/Manufacturer Reznor
Additional Information Air Throw: 30 Feet
Furnace Efficiency / AFUE 82%
Heating BTU 30,000 BTU
Maximum CFM 456
Decibel Level (dBA) 40dB at 15ft
Propeller Diameter 10 inches
Flue Location 4"
Watt 109 Watts
Efficiency 82%
SEER2 (Efficiency) 22.3
Electrical 115 Volt 1 Phase 60 Hertz
Amperage Requirement 1.9 Amps
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
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information PROPOSITION 65 WARNING

Reviews 4

Write Your Own Review
You're reviewing:Reznor UDX 30,000 BTU Natural Gas Unit Heater
Your Rating

Questions and Answers

Customer Questions
Does the Reznor UDX 30,000 BTU Gas Heater have a sealed combustion chamber?
The UDX-30, as well as the rest of the UDX series, does not have a sealed combustion chamber. If you have any further questions, please call us and we will be happy to assist you.
How far of a clearance from the floor does this unit need to be hung?
We recommend that you keep a clearance from the floor of about 8-12 feet. If you have any further questions we recommend that you give us a call. Thanks!
What size area does this Reznor UDX-30 unit heater heat?
This Reznor UDX-30 unit heater heats approximately 600 square feet in moderately cold environments. You can reference our sizing guide tto know the square footage of this 30,000 BTU heater in your region. If you have any further questions we recommend that you give us a call. Thanks!
Did you find what you were looking for?


Our mission is simple: To provide an open HVAC marketplace online, offering the best HVAC brands directly to the public, based on real, affordable prices. For too long, local dealers have charged whatever they could get away with - but now YOU HAVE A CHOICE.


Choose us for:

  • Real recommendations on only what you need (no upsells)
  • Real wholesale prices, never inflated
  • Real advice & tech support from experts in home heating & cooling
Money Icon


We sell products at wholesale pricing. No markups, no hidden fees. Our average customer saves BETWEEN THREE TO SIX THOUSAND DOLLARS
-That's the Direct Advantage!

Best Brands


Just because a brand is nationally known, doesn't mean it's the best. Our HVAC technicians have hand-selected the most efficient and durable products for American homeowners, giving you exactly what you need at the best pricing.



We choose products with long, best-in-the-market warranties by manufacturers with great customer service and solid reputations. This gives you peace of mind that you'll be getting a great quality product.

Huge Savings
Read about a real life example from one of our
customers who saved thousand.

We've helped over 100,000 American homeowners and earned their trust.

Expert call Icon


Real technicians with real experience are available on the phone and chat to help you pick your perfect system

Chat Icon


Unlike local dealers who try to upsell expensive brands or unnecessary equipment, we only recommend the exact products you need, and choose from affordable alternatives to name brands.

Search Icon


Quickly filter what you're loooking for with our HVAC EASY SYSTEM SELECT tool.

HVAC Expert Call

We've helped over 100,000 American homeowners and earned their trust.

Deliver Icon


All our HVAC systems ship free, making your new system even more affordable. Plus, looko for free shipping on many standalone products too.

Tracking Brands


Don't wait for your system. We have over $50 million dollars of inventory in our warehouses nationwide - we're ready for your order!

Web display Icon


Our website displays real-time inventory, so you know exactly when to expect your order. Choose from in-stock items so you can get your new system right away.

Buying Steps

We've helped over 100,000 American homeowners and earned their trust.

See What Our Customers are Saying