Modine Hot Dawg Garage Heater - 45K BTU/Direct Spark Ignition/LP/Separated Combustion/Single Stage w/Aluminized Steel Heat Exchanger
The Modine Hot Dawg LP Garage Heater is your solution for maintaining a comfortable and productive workspace, especially in environments prone to dust, dirt, or high humidity. Fueled by Liquid Propane (LP), this heater delivers a dependable 45,000 BTU output, efficiently heating small garages, workshops, and other similar areas. Unlike traditional heaters, the Hot Dawg LP tackles tough conditions with its innovative separated combustion system.
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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Liquid Propane
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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 |
Propane |
| 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 Output: Perfect for heating small to medium-sized garages, workshops, and residential spaces, providing reliable warmth without excessive energy consumption.
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Separated Combustion: Draws combustion air from the outside, keeping indoor air quality cleaner by preventing contamination from within the space.
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Durable Aluminized Steel Heat Exchanger: Ensures longevity and resistance to corrosion, enhancing the heater's overall durability and efficiency.
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Direct Spark Ignition: Reliable, energy-efficient startup for quick and consistent heating, reducing propane waste.
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Liquid Propane (LP) Compatibility: Ideal for locations without access to natural gas, offering a flexible heating solution.
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Single-Stage Operation: User-friendly design that delivers steady heat with minimal maintenance, perfect for hassle-free operation.
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Quiet and Compact: The compact, space-saving design and quiet operation make it an excellent option for indoor spaces with limited room and noise sensitivity.
Q&A
Q: What is the heating capacity of this unit?
A: The Modine Hot Dawg 45K BTU provides 45,000 BTU, making it suitable 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 is required for this model?
A: This unit operates on Liquid Propane (LP).
Q: What is separated combustion, and why is it beneficial?
A: Separated combustion draws fresh air from outside for combustion, which enhances safety, prevents indoor air contamination, and improves energy efficiency.
Q: What is the heat exchanger made of?
A: The heat exchanger is made from aluminized steel, offering durability, excellent corrosion resistance, and effective heat transfer.
Q: Is this heater suitable for residential use?
A: Yes, it is perfect for residential garages, workshops, and smaller spaces that need reliable heating.
Q: How does the single-stage operation work?
A: The unit operates at one fixed heat output level, providing consistent warmth without cycling on and off.
Q: Is professional installation required?
A: Yes, professional installation is recommended for safe operation, proper venting, and compliance with local codes.
Q: What safety features are included?
A: The unit includes flame failure shutoff and overheat protection to ensure secure operation.
Q: Is it quiet when operating?
A: Yes, this heater is designed for quiet, efficient performance, making it ideal for both home and work environments.
Maintenance Tips
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Clean the Unit: Regularly clean both the exterior and interior of the heater to remove dirt, dust, and debris. Pay particular attention to the burner and heat exchanger.
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Inspect Gas Lines: Check LP 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 functions reliably and efficiently.
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Monitor Flame Quality: Ensure the burner flame is steady and blue. If the flame is yellow or flickering, clean the burner or check for blockages.
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Check Ventilation: Since the heater uses separated combustion, ensure both the intake and exhaust vents are clear and unobstructed for safe, efficient operation.
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Inspect Aluminized Steel Heat Exchanger: Annually inspect the heat exchanger for any signs of corrosion, cracks, or damage that could impair heat transfer or lead to inefficiency.
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Clean the Burner: Periodically clean the burner to remove soot or debris that may reduce heating efficiency and cause poor combustion.
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Annual Professional Service: Have a certified technician inspect the unit yearly to ensure all components, including the burner, ignition system, and heat exchanger, are functioning properly.
