Modine Hot Dawg Garage Heater - 75K BTU/Direct Spark Ignition/LP/Single Stage w/Aluminized Steel Heat Exchanger - HD75AS0121

Modine Hot Dawg Garage Heater - 75K BTU/Direct Spark Ignition/LP/Single Stage w/Aluminized Steel Heat Exchanger - HD75AS0121

The Modine Hot Dawg Garage Heater is the perfect solution to keep your garage warm and comfortable even in the harshest conditions. With its powerful 75,000 BTU output, this heater ensures efficient heating performance for larger garage spaces.

Featuring a reliable direct spark ignition system, you can trust this heater to start up quickly and effortlessly, providing instant warmth. Its LP fuel compatibility makes it versatile and convenient for various applications.

The single-stage operation ensures consistent heating, while the aluminized steel heat exchanger delivers exceptional durability and heat transfer efficiency. This means you can rely on the Modine Hot Dawg to keep your garage cozy for years to come.

Not only does this heater provide reliable heating, but it also offers peace of mind with its built-in safety features. With its robust construction and adherence to strict quality standards, the Modine Hot Dawg guarantees safe and reliable operation.

Upgrade your garage heating with the Modine Hot Dawg Garage Heater - the ideal choice for powerful and efficient warmth. Say goodbye to chilly workspaces and embrace the comfort and functionality this heater brings.

Features

• Made in the USA
• Low profile, lightweight design easily installs 1” from ceiling with only two angle brackets (included)
• Field fuel conversion kits available
• Finger-proof fan guards on all units
• Reduce the need for maintenance with the permanently lubricated motor
• 100% shut-off with continuous retry to allow for safe ignition in the event the unit doesn’t light on the first try
• Right or left hand controls available on 30-75 units by rotating unit 180 degrees
• Power vented model simplifies side-wall or roof venting with small-diameter vent pipe
• Draws combustion air from inside the workspace
• 3" vent connection
• Liquid Propane
• n
• 75,000 BTU
• n
• Direct spark ignition
• n
• Single stage - on/off operation
• n
• Aluminized steel heat exchanger
• n
  

What our Experts Think

• Powerful Garage Heating: 75,000 BTU output delivers robust warmth for garages, workshops, and small industrial spaces.

• Efficient Combustion: Direct spark ignition ensures dependable starts and stable operation every use.

• Propane-Ready Design: Built for LP gas convenience with strong performance in colder conditions.

• Durable Heat Exchanger: Aluminized steel construction resists corrosion and extends service life.

• Single-Stage Simplicity: Straightforward operation makes it easy to install and maintain.

• Versatile Application: Ideal for garages, service bays, storage areas, and other semi-enclosed spaces needing consistent heat.

• High Market Appeal: Meets demand for reliable, high-output propane heaters that balance performance, durability, and value.

Q&A

Q: What type of heater is the Modine HD75AS0121?
A: A 75,000 BTU liquid propane (LP) garage and workshop unit heater designed for dependable space heating.

Q: What is its heating capacity?
A: Provides 75,000 BTU of heat, ideal for medium to large garage or workspace areas.

Q: What fuel and ignition does it use?
A: Runs on liquid propane (LP) with direct spark ignition for reliable starts.

Q: Is it single or multi-stage?
A: It’s single stage for straightforward, consistent heating output.

Q: What heat exchanger material is used?
A: Durable aluminized steel heat exchanger for long-lasting performance and corrosion resistance.

Q: Where is this heater best used?
A: Ideal for garages, shops, warehouses, and utility spaces needing efficient supplemental heat.

Q: Does it require electricity?
A: Yes — uses standard electrical power for ignition and controls.

Q: Is installation and maintenance simple?
A: Yes — contractor-friendly design with accessible service points for easier setup and servicing.

Maintenance Tips

• Keep It Clean: Wipe exterior surfaces regularly to remove dust and debris that can affect airflow.

• Inspect Heat Exchanger: Check the aluminized steel heat exchanger for buildup, corrosion, or damage to maintain efficient heat transfer.

• Burner Care: Periodically inspect and clean the burner assembly to support proper combustion.

• Test Ignition: Verify the direct spark ignition operates reliably with clean, consistent starts.

• Gas Connection Check: Inspect LP gas lines, fittings, and valves for tightness and leaks; address any issues promptly.

• Ventilation & Exhaust: Ensure intake and exhaust areas are clear of obstructions for safe operation.

• Annual Professional Service: Have a qualified technician perform yearly maintenance, including safety and performance checks.