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Reznor UDAS-30-AC4 UDAS-30 Gas Fired Unit Heater - Separated Combustion - NG - 316 Stainless Steel Heat Exchanger - 30,000 BTU

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Product Specifications
General Information
Product Line
Heat Exchanger Material
Stainless Steel
Fuel Type
Natural Gas
Vent Type
Direct Vent
Heating Capacity (BTU)
25000 BTU
Maximum Input Capacity (BTU)
30000 BTU
Efficiency (%)
82 %
Minimum Air Flow (CFM)
456 CFM
Maximum Air Flow (CFM)
456 CFM
Electrical Data
Voltage (Volts)
115 Volts
Frequency (Hertz)
60 Hertz
Flue Connection Size (Inches)
4 Inches
Gas Connection Size (Inches)
0.5 Inches
Product Height (Inches)
12.125 Inches
Product Width (Inches)
26.625 Inches
Product Depth (Inches)
26 Inches
Product Weight (Pounds)
54 Pounds
Warranty Information
Parts Warranty (Years)
1 Year
CSA Listed
ASNI Listed
Country of Origin
United States
Model: UDAS-30-AC4
Allow 3 - 4 Weeks
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Product Note: This product is FINAL SALE only. Final sale products may not be returned for exchange, credit, or refunds.

Reznor UDAS-30 Gas Fired Unit Heater, Separated Combustion, NG, 316 Stainless Steel Heat Exchanger - 30,000 BTU

Reznor UDAS-30-AC4 Gas Fired Unit Heater is a 115 volt, gas fired separated combustion unit heater designed to provide efficient heating. It is certified for residential and commercial/industrial use to provide a 30000 BTU/hr. output with an 82-83% thermal efficiency. UDAS-30-AC4 provides a 50-60 F rise range. UDAS models use an integrated circuit board with diagnostic indicator lights to control heater operation. External gas connection allows for easy gas service connection. Reznor UDAS-30-AC4 can be suspended from either 2 or 4 suspension points or ceiling mounted with an optional hanger kit. UDAS-30-AC4 provides improved efficiency and easier installation over previous Reznor models.

Reznor UDAS-30-AC4 Gas Fired Unit Heater Features:
  • Residential and commercial/industrial application
  • Titanium stabilized stainless steel heat exchanger
  • Vibration isolated fan and venter motors
  • 2-pt and 4-pt suspension points
  • External gas connection
  • Full fan guard
Reznor UDAS-30-AC4 Gas Fired Unit Heater Warranty:
  • 1 year parts warranty
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Reznor UDAS-30-AC4 Reviews & Ratings
1 Review  Sort by 
5 out of 55 out of 55 out of 55 out of 55 out of 5
Reznor Udas-30 Gas Fired Unit Heater - Separated Combustion - Ng - 316 Stainless Steel Heat Exchanger - 30,000 Btu Review
I have owned this same 400k btu unit for 8 years and it is the best purchase that I have ever made. It is used in a commercial setting and has never had a problem or service call. Reznor quality is second to none and definitely worth the extra cost.
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