Modine Hot Dawg Garage Heater - 45K BTU/Direct Spark Ignition/NG/Separated Combustion/Single Stage w/Aluminized Steel Heat Exchanger
The Modine Hot Dawg Garage Heater is the ideal solution for keeping your workspace warm and comfortable, especially in environments with dust, dirt, or high humidity. This industrial-grade heater boasts a dependable 45,000 BTU output, efficiently heating small garages, workshops, and similar areas.
Features
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Draws combustion air from outside the workspace, ensuring the unit always has plenty of fresh, clean air to breathe
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Reduces common concerns about dusty, dirty, or humid applications, providing more exceptional durability and reduced maintenance
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The sealed compartment protects the combustion gas valve, ignition control, manifold, and burners from the environment
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Factory assembled, certified separated combustion saves installation time
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Low-profile, lightweight design easily installs 1″ from the ceiling with only two angle brackets (included)
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Field fuel conversion kits are available
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Finger-proof fan guards on all units
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Reduces the need for maintenance with the permanently lubricated motor
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100% shut-off with continuous retry to allow for safe ignition in the event the unit doesn’t light on the first try
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Right or left-hand controls available on 30-75 BTU Models by rotating unit 180 degrees
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Power vented model simplifies side-wall or roof venting with the small-diameter vent pipe
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3" vent & combustion air connection
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Natural Gas
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45,000 BTU
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Direct spark ignition
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Single stage - on/off operation
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Aluminized steel heat exchanger
Specifications
| Fuel Type |
Natural gas |
| Control Type |
Electronic/IPI |
| Color/Finish |
Gray |
| Size |
26.8"W x 13.2"T x 22"D |
What Our Experts Think
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Efficient 45K BTU Heating: Perfect for small to medium-sized garages, workshops, and residential spaces, offering reliable warmth without excessive energy use.
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Separated Combustion: Draws air from outside for combustion, keeping indoor air clean and preventing contamination.
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Durable Aluminized Steel Heat Exchanger: Built for long-lasting performance, offering excellent corrosion resistance and improved durability.
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Direct Spark Ignition: Provides quick and reliable startup, reducing fuel waste and ensuring consistent heating performance.
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Natural Gas (NG) Compatibility: Ideal for spaces with access to natural gas, providing a convenient and cost-effective heating option.
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Single-Stage Operation: Simplified design ensures easy operation and consistent heating without complex settings.
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Compact and Quiet: Space-saving design combined with quiet operation makes it perfect for indoor use, even in confined spaces.
Q&A
Q: What is the heating capacity of this unit?
A: The Modine Hot Dawg 45K BTU provides 45,000 BTU, perfect for heating smaller spaces up to 750 sq. ft.
Q: What type of ignition system does it use?
A: It uses Direct Spark Ignition (DSI) for reliable and efficient startups.
Q: What fuel type does this heater use?
A: This model operates on Natural Gas (NG).
Q: What is separated combustion, and why is it important?
A: Separated combustion draws fresh air from outside for combustion, which improves indoor air quality and increases the overall efficiency of the heater.
Q: What is the heat exchanger made from?
A: The heat exchanger is made from aluminized steel, which ensures corrosion resistance and long-lasting durability.
Q: Is it suitable for residential use?
A: Yes, this model is perfect for residential garages, workshops, and small spaces.
Q: How does the single-stage system work?
A: The heater operates at one consistent heat level, providing reliable and straightforward heating without cycling.
Q: Is professional installation required?
A: Yes, professional installation is recommended for proper venting, safe operation, and code compliance.
Q: What safety features are included?
A: The unit includes flame failure shutoff and overheat protection for safe and reliable operation.
Q: Is it quiet during operation?
A: Yes, it is designed for quiet and efficient operation, making it ideal for both home and work environments.
Maintenance Tips
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Clean the Heater: Regularly clean the exterior and vacuum the interior to remove dust, dirt, and debris that can impair performance.
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Inspect Gas Connections: Check the natural gas lines for leaks using a soapy water solution. Repair any leaks or damaged connections immediately.
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Test the Ignition System: Test the direct spark ignition system monthly to ensure it starts reliably each time.
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Monitor Flame Quality: Ensure the burner flame is blue and steady. Yellow or flickering flames may indicate the need for burner cleaning or a check for obstructions.
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Inspect Ventilation: Since the heater uses separated combustion, verify that both the intake and exhaust vents are clear to ensure safe, efficient operation.
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Inspect Aluminized Steel Heat Exchanger: Annually check the heat exchanger for signs of corrosion or cracks to ensure optimal heat transfer and prevent leaks.
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Clean the Burner: Periodically clean the burner to remove soot or debris that can affect combustion efficiency.
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Annual Professional Service: Schedule a professional inspection yearly to ensure the burner, ignition system, heat exchanger, and combustion components are functioning properly.
