Description
Modine Hot Dawg Garage Heater – 75K BTU/Direct Spark Ignition/NG/Single Stage w/Stainless Steel Heat Exchanger – HD75SS0111
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
- Natural Gas
- 75,000 BTU
- Direct spark ignition
- Single stage – on/off operation
- Stainless steel heat exchanger
Specifications
| Fuel Type | Natural Gas |
|---|---|
| Control Type | Electronic / IPI |
| Color / Finish | Gray |
| Overall Size | 26.8″ W × 19″ H × 25″ D |
What our Experts Think
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Reliable Garage Heating: 75,000 BTU output delivers consistent warmth ideal for garages, workshops, and utility spaces.
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Natural Gas Efficiency: NG fuel provides cost‑effective operation without propane refills or tanks.
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Durable Stainless Steel Heat Exchanger: Stainless steel resists corrosion and extends service life in demanding environments.
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Dependable Ignition: Direct spark ignition ensures quick, reliable starts every time.
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Simple, Straightforward Design: Single‑stage operation makes installation and maintenance easy.
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Versatile Use Cases: Great choice for garages, sheds, service bays, and other semi‑enclosed spaces needing dependable heat.
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High Market Appeal: Meets strong demand for robust, long‑lasting natural gas garage heaters that balance performance, durability, and value.
Q&A
Q: What type of heater is the Modine HD75SS0111?
A: A 75,000 BTU natural gas (NG) garage and workspace heater built with a stainless steel heat exchanger.
Q: What is its heating capacity?
A: Delivers 75,000 BTU, suitable for medium to large garages, workshops, and utility spaces.
Q: What fuel and ignition system does it use?
A: Runs on natural gas (NG) with direct spark ignition for reliable starts.
Q: Is it single stage?
A: Yes — single stage for consistent heat output.
Q: What heat exchanger material is used?
A: Stainless steel, providing superior corrosion resistance and durability.
Q: Where is this heater best used?
A: Ideal for garages, workshops, warehouses, and utility rooms needing efficient supplemental heating.
Q: Does it require electricity?
A: Yes — powers ignition and control systems.
Q: Is installation and maintenance easy?
A: Yes — contractor‑friendly design with accessible components for straightforward setup and servicing.
Maintenance Tips
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Clean Exterior Regularly: Wipe the heater’s surface to remove dust and debris that can restrict airflow.
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Inspect Heat Exchanger: Periodically check the stainless steel heat exchanger for buildup, corrosion, or damage to maintain efficient heat transfer.
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Burner Maintenance: Inspect and gently clean the burner assembly to ensure proper combustion performance.
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Check Ignition System: Verify the direct spark ignition lights reliably and functions smoothly.
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Natural Gas Line Safety: Inspect gas connections, fittings, and valves for tightness and leaks; address issues promptly.
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Keep Vents Clear: Ensure intake and exhaust areas are free of obstructions for safe, efficient operation.
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Annual Professional Service: Schedule yearly maintenance with a qualified technician for safety checks and optimal performance.






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