Description
SunStar Residential/Commercial 45K BTU/15ft U Tube Tough Guy Heater/LP/Two Stage
Features:
- Available in Btu sizes from 25,000
- Compact size – overall length is 9’2″ for ease of installation
- Efficiencies range up to 84.5%
- Models for both natural and propane gas
- Installation as low as 8ft above floor
- CSA Design Certified for residential & commercial Installations
- Includes 36″ stainless steel gas connector
- Completely aluminized steel construction for high humidity and corrosive environments
- Products of combustion are pulled through the combustion chamber for greater safety – virtually eliminates the possibility of combustion gases leaking into the heated space
- Reliable electronic direct spark ignition system with 100% gas safety shut-off control and 30-second pre-purge – safety and efficiency assurance
- U-Tube Design provides uniform emitter tube temperatures and energy distribution on the floor unlike straight tube heaters which are always hotter at the burner end than at the exhaust end
- Heavy-duty combustion chamber, aluminum reflectors with 97% reflectivity rating, diaphragm safety switch for proof of venting, and system indicator lights
- Liquid Propane
- 45,000 BTU
- 4″ vent connection
Additional Information:
| Fuel Type | Propane |
| Control Type | Electronic/IPI |
| Color/Finish | Silver/Gray |
| Size | 15ft |
What Our Experts Think
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Efficient Propane Heating: 45,000 BTU delivers steady, comfortable radiant warmth for residential and commercial spaces
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15 ft U-Tube Tough Guy Design: U-shaped tube spreads heat evenly at floor level for better comfort and efficiency
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Tough Guy Durability: Heat-treated steel tube resists corrosion and holds up in demanding environments
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Two-Stage Operation: High/low fire control improves comfort regulation and energy efficiency
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Versatile Use: Great for garages, workshops, patios, storage areas, and small commercial spaces
Q&A
Q: What fuel does this heater use?
A: Propane (LP)
Q: How much heat does it produce?
A: 45,000 BTU
Q: What’s the advantage of the U-tube design?
A: Provides even radiant warmth across the space for efficient heat distribution
Q: What does two-stage operation mean?
A: Allows both low and high fire settings for better temperature control and efficiency
Q: Is it suitable for home use?
A: Yes — designed for both residential and commercial environments
Maintenance Tips
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Clean Burners & Tubes: Remove dust and debris to maintain heating efficiency
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Inspect Ignition & Safety Controls: Ensure spark ignition and safety shut-offs function properly
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Check Venting Clearances: Keep exhaust and intake paths unobstructed
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Annual Professional Service: Have a qualified technician inspect gas lines and overall performance
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Inspect for Wear: Periodically check tube and reflector surfaces for corrosion or damage






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