SunStar Residential/Commercial 45K BTU/15ft U Tube Tough Guy Heater/NG/Single 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
- Natural Gas
- 45,000 BTU
- 4" vent connection
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What Our Experts Think
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Efficient Natural Gas Heating: 45,000 BTU delivers reliable radiant warmth for residential and light commercial spaces
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15 ft U-Tube Tough Guy Design: U-shaped tube improves heat retention and provides even floor-level coverage
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Tough Guy Durability: Heat-treated steel tube resists corrosion and harsh environments
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Single-Stage Performance: Consistent, steady heat output with simple operation
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Versatile Use: Ideal for garages, workshops, patios, and small commercial areas
Q&A
Q: What fuel does this heater use?
A: Natural Gas (NG)
Q: How much heat does it produce?
A: 45,000 BTU
Q: What advantage does the U-tube design offer?
A: Improves heat efficiency and distributes radiant warmth more evenly
Q: Is it suitable for residential use?
A: Yes — designed for both residential and commercial applications
Maintenance Tips
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Clean Burner & Tubes: Remove dust and debris to maintain heating efficiency
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Inspect Ignition & Safety Controls: Ensure spark ignition and shut-offs function properly
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Check Venting Clearance: Keep exhaust and air intake paths unobstructed
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Annual Professional Inspection: Have gas connections and performance checked yearly
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Monitor for Wear: Periodically inspect tubes and reflectors for corrosion or damage
Damage 
Loss 
Theft 
