Description
Modine Commercial Workspace Heater – 350K BTU/Direct Spark Ignition/LP/Single Stage w/Stainless Steel Heat Exchanger – PTP350SS0121
Features
- The ideal solution for heating a commercial workspace like a warehouse or workshop or studios
- The stainless steel heat exchanger is standard on all units, extending the life of your investment
- Bent tube, low-profile design
- Enclosed fan motors and all controls mounted inside the cabinet for protection from airborne moisture and dust
- 10-year heat exchanger warranty, even in greenhouse applications
- Quick and easy installations with wiring terminals and knockouts for quick access to gas and electricity, and a roomy controls cabinet for ease of work
- Standard power exhaust simplifies side-wall or roof venting with a small diameter vent pipe
- Permanently-lubricated motor for trouble-free dependability
- Made in the USA
- Draws combustion air from inside the workspace
- 6″ vent connection
- Liquid Propane
- 350,000 BTU
- Direct spark ignition
- Single stage – on/off operation
- Stainless steel heat exchanger
What our Experts Think
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350,000 BTU Output: Delivers high-capacity heating for large commercial, industrial, and warehouse spaces.
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Direct Spark Ignition: Reliable and efficient startup for consistent operation.
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Stainless Steel Heat Exchanger: Durable, corrosion-resistant construction for long-term performance.
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Liquid Propane (LP) Fuel: Optimized for propane to ensure efficient and consistent heating.
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Single-Stage Operation: Provides steady heat output for general commercial heating needs.
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High Airflow Distribution: Engineered to deliver even heat coverage across expansive work areas.
Q&A
Q: What is the Modine PTP350SS0121?
A: A commercial workspace heater delivering 350,000 BTU with a stainless steel heat exchanger for durable, efficient heating.
Q: What fuel and ignition does it use?
A: Liquid propane (LP) with direct spark ignition for reliable startups and consistent performance.
Q: What type of heat exchanger is included?
A: Stainless steel heat exchanger for corrosion resistance and long‑lasting durability in demanding environments.
Q: Where is it designed to perform?
A: Ideal for large commercial and industrial spaces like warehouses, workshops, service bays, and garages.
Q: Why choose it?
A: Combines high BTU output, rugged stainless steel construction, and efficient propane heating for powerful, professional‑grade warmth.
Maintenance Tips
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Clean the stainless steel heat exchanger and burner regularly to maintain efficiency.
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Inspect propane connections and ignition system periodically for leaks or proper operation.
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Keep the surrounding area free of dust, debris, and obstructions.
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Test safety controls periodically to ensure safe and reliable performance.
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Schedule annual professional servicing for peak efficiency and longevity.
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Follow manufacturer guidelines for installation, operation, and maintenance.






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