SunStar Industrial 75K BTU/20ft Straight Tube Heater/NG/Single Stage

SunStar Industrial 75K BTU/20ft Straight Tube Heater/NG/Single Stage

Features:

• Includes (1) 43502070 and (1) 44135000
• Pull Through System - products of combustion are pulled through the combustion chamber for increased radiant efficiency and greater safety
• CSA design certified
• Sidewall or through the roof venting
• Vented or indirect vented operation
• Includes 36″ stainless steel gas connector
• No draft hoods, totally enclosed combustion chamber
• Heavy duty draft inducer assembly with permanently lubricated, totally enclosed and heavy duty ball bearing motor for maintenance-free operation
• 30 second per-purge period before ignition
• Diaphragm air switch for proof of venting before gas flow and ignition
• Heavy duty cast iron burner
• Reliable direct spark ignition system and 100% Gas Shut-Off Safety Control
• Inside or outside air for combustion (Up to 50 ft. outside combustion air capability)
• Diagnostic Monitoring Light System
• 4” O. D. heat treated aluminized steel combustion chamber (10’ length)
• Standard highly emissive radiant tubes (10’ lengths)
• Suitable for horizontal or angle mounting up to 45°
• Up to 75 feet sidewall vent capability
• Highly efficient aluminum reflectors
• Individual reflectors can be rotated up to 45° to direct heat where needed
• Natural Gas
• 75,000 BTU
• 4" vent connection
• Not for use in residential applications

Additional Information:

What Our Experts Think

• Reliable Natural Gas Heating: 75,000 BTU output provides steady radiant warmth for medium commercial or industrial spaces

• 20 ft Straight Tube Design: Radiant heat travels along a long straight tube for wide, even coverage

• Durable & Dependable: Heavy‑duty burner, enclosed combustion chamber, and spark ignition ensure consistent performance

• Flexible Installation: Can be mounted horizontally or at an angle; supports sidewall or roof venting

• Commercial‑Grade Use: Ideal for warehouses, workshops, garages, and other industrial environments

Q&A

Q: What fuel does this heater use?
A: Natural Gas (NG)

Q: How much heat does it produce?
A: 75,000 BTU

Q: What is the benefit of the straight tube design?
A: Distributes radiant heat over a wide area for even coverage

Q: Can it be installed in multiple positions?
A: Yes — horizontal or angled mounting, sidewall or roof venting

Maintenance Tips

• Clean Burners & Tube: Remove dust and debris regularly

• Inspect Ignition & Safety Controls: Ensure spark ignition and safety shut‑offs function properly

• Check Venting Clearance: Keep exhaust and intake paths clear

• Annual Professional Service: Have a qualified technician inspect gas connections and performance

• Inspect for Wear: Periodically check tube and reflector surfaces for corrosion or damage