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Reznor UDAP-300 Power Vented Gas Fired Unit Heater - NG - 409 Stainless Steel Heat Exchanger - 300,000 BTU

Reznor UDAP-300 Power Vented Gas Fired Unit Heater - NG - 409 Stainless Steel Heat Exchanger - 300,000 BTU
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Model: UDAP-300-AC2
Recommended
(Based on expert analysis, manufacturer ratings and customer reviews)
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
Number of Reviews (24)
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$3,132.91
$2,976.26

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Input Capacity (BTU/h)
Fuel Type Learn More To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Heat Exchanger Material
Add-Ons
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  • Product Description
  • 24
    Reviews
  • 3
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
+
Features
Features
    Reznor UDAP-300-AC2 Gas Fired Unit Heater is a 115 volt, gas fired unit heater designed to provide efficient heating. Reznor UDAP-300-AC2 uses a single burner combustion system to provide a 249,000 BTU/hr. output with an 82-83% thermal efficiency. UDAP-300-AC2 provides a 50-60 F rise range. UDAP models use an integrated circuit board with diagnostic indicator lights to control heater operation. External gas connection allows for easy gas service connection. Reznor UDAP-300-AC2 can be suspended from either 2 or 4 suspension points or ceiling mounted with an optional hanger kit. UDAP-300-AC2 provides improved efficiency and easier installation over previous Reznor models.
  • Reznor UDAP-300-AC2 Features
  • Commercial/industrial certification
  • Multi-try direct spark ignition with 100% lockout
  • Vibration isolated fan and venter motors
  • 2-pt and 4-pt suspension points
  • External gas connection
  • Product Note
    The image may not reflect actual product features. The Reznor UDAP-300 comes with ten horizontal louvers.
Specifications
General Information
Product Line
UDAP
Heat Exchanger Material
Stainless Steel
Fuel Type Learn More To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Vent Type Learn More Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Power Vent
Configuration Learn More Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal
Performance
Heating Capacity
249000 BTU
Maximum Input Capacity Learn More The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
300000 BTU
Efficiency
83 %
Minimum Air Flow
3843 CFM
Maximum Air Flow
3843 CFM
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Dimensions
Flue Connection Size
5 Inches
Gas Connection Size
3/4 Inch
Product Height
34 1/8 Inches
Product Width
41 Inches
Product Depth
42 Inches
Product Weight
269 Pounds
Certifications
Country of Origin
United States
CSA Listed
Yes
ANSI Certified
Yes
Warranty Information
Parts Warranty Learn More A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Heat Exchanger Warranty
10 Years
Features
Features
    Reznor UDAP-300-AC2 Gas Fired Unit Heater is a 115 volt, gas fired unit heater designed to provide efficient heating. Reznor UDAP-300-AC2 uses a single burner combustion system to provide a 249,000 BTU/hr. output with an 82-83% thermal efficiency. UDAP-300-AC2 provides a 50-60 F rise range. UDAP models use an integrated circuit board with diagnostic indicator lights to control heater operation. External gas connection allows for easy gas service connection. Reznor UDAP-300-AC2 can be suspended from either 2 or 4 suspension points or ceiling mounted with an optional hanger kit. UDAP-300-AC2 provides improved efficiency and easier installation over previous Reznor models.
  • Reznor UDAP-300-AC2 Features
  • Commercial/industrial certification
  • Multi-try direct spark ignition with 100% lockout
  • Vibration isolated fan and venter motors
  • 2-pt and 4-pt suspension points
  • External gas connection
  • Product Note
    The image may not reflect actual product features. The Reznor UDAP-300 comes with ten horizontal louvers.
Specifications
General Information
Product Line
UDAP
Heat Exchanger Material
Stainless Steel
Fuel Type Learn More To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Vent Type Learn More Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Power Vent
Configuration Learn More Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal
Performance
Heating Capacity
249000 BTU
Maximum Input Capacity Learn More The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
300000 BTU
Efficiency
83 %
Minimum Air Flow
3843 CFM
Maximum Air Flow
3843 CFM
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Dimensions
Flue Connection Size
5 Inches
Gas Connection Size
3/4 Inch
Product Height
34 1/8 Inches
Product Width
41 Inches
Product Depth
42 Inches
Product Weight
269 Pounds
Certifications
Country of Origin
United States
CSA Listed
Yes
ANSI Certified
Yes
Warranty Information
Parts Warranty Learn More A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Heat Exchanger Warranty
10 Years
Product Specs
+
Specifications
General Information
Product Line
UDAP
Heat Exchanger Material
Stainless Steel
Fuel Type Learn More To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Vent Type Learn More Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Power Vent
Configuration Learn More Orientation describes the direction that air will flow through a piece of equipment. (e.g. air will flow horizontally through a "Horizontal" unit heater.) Most equipment will only function properly if installed in the proper orientation.
Horizontal
Performance
Heating Capacity
249000 BTU
Maximum Input Capacity Learn More The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
300000 BTU
Efficiency
83 %
Minimum Air Flow
3843 CFM
Maximum Air Flow
3843 CFM
Electrical Data
Voltage
115 Volts
Phase
1
Frequency
60 Hz
Dimensions
Flue Connection Size
5 Inches
Gas Connection Size
3/4 Inch
Product Height
34 1/8 Inches
Product Width
41 Inches
Product Depth
42 Inches
Product Weight
269 Pounds
Certifications
Country of Origin
United States
CSA Listed
Yes
ANSI Certified
Yes
Warranty Information
Parts Warranty Learn More A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Heat Exchanger Warranty
10 Years
Reviews
(24)
+
Reznor UDAP-300-AC2 Reviews & Ratings
100% of Reviewers Recommend This Product
Product Q&A
(3)
+
Search Product Q&A's Answered by Bob, the Heating Product Expert
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+
What is the difference between UDAS/UDAP?
Ray  
from Washington 
August 10, 2016
Answer
The UDAS model has a separated combustion which requires a second pipe for fresh air from the outside. The UDAP model is a standard combustion unit which only requires one pipe for the exhaust.

The UDAP model is fine for most applications, but if you have a space that is tightly sealed, or contains lots of air born contaminants and pollutants, the UDAS may be a better option.
+
Do I need a mounting kit with this or does it have one already? I'm assuming it has a thermostat also?
Ken 
from Michigan 
July 19, 2016
Answer
The Reznor UDAP can be suspended by two or four mounting points and is usually hung from the ceiling with threaded rod readily available at your local home improvement store.

There is a close mount kit available for UDAP sizes 30k - 125k, and the part is 197094 (aka CK22).

A 24-volt thermostat needs to be purchased separately as there are a wide variety of options available.
+
We recently installed 2 model UDAP150 gas fired heaters. I am trying to set up our ISO 9001 maintenance schedule. I need to know the recommended maintenance that must be performed on these, what should be done and at what intervals.
John 
from New Jersey 
December 18, 2015
Answer
Reznor recommends annual maintenance for their UDAS unit heaters. This should include cleaning, inspecting, and testing major components and safety devices for proper operation. Details can be found beginning page 28 of the
installation manual.
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