SunStar SIS75-20-TG-L5 Tough Guy Straight Vacuum Infrared Tube Heater 75K BTU
The SunStar SIS75-20-TG-L5 Tough Guy Straight Vacuum Infrared Tube Heater provides 75,000 BTU of heat across a 20-foot straight tube, making it an excellent, durable solution for smaller commercial and industrial applications. This Tough Guy model utilizes a vacuum (negative pressure) system, which maximizes heat transfer efficiency and ensures safety by pulling combustion products through the sealed tube. The straight configuration is perfect for targeted heating in specific work zones or service bays. Choose the robust construction and advanced safety features of the SunStar SIS75-20-TG-L5 Tough heater for reliable, cost-effective, and safe radiant heating in demanding small-to-mid-sized commercial settings.
Description
Offers fuel savings up to 50%. Tough Guy Straight Tube heaters ideal for complete building heating and can be installed in high humidity or corrosive environments. The emitter tubes are made of heat treated aluminized steel. Vacuum system pulls products of combustion through combustion chamber for increased radiant efficiency and greater safety. Reliable direct spark ignition and 100% gas shut-off safety control. Up to 50ft. of ducting in fresh air and 75ft. sidewall venting capability. Vacuum system features a totally enclosed combustion chamber. Heavy duty draft inducer assembly features permanently lubricated totally enclosed ball bearing motor for maintenance-free operation. Highly efficient aluminum reflectors. Includes diaphragm air switch, heavy duty cast iron burner and burner inspection sight glass. Diagnostic monitoring light system. 120V supply required. CSA certified. 5 Year Limited Warranty on tubes. 1 Year Limited Warranty on unit. Made in the USA. Installation and service must be performed by a licensed contractor and must conform to local codes and SunStar’s Installation Instructions. Read the Installation and Operating Instructions for specific Installation requirements prior to purchase. To help pick out the heater that’s right for you, view the Heat Loss Estimating Chart for proper model and heater selection.
What’s Included
- (1) Burner Package: Main Burner and hardware Emitter Tubes and Reflectors
| Item# | 4745421 |
| Brand | SunStar |
| Manufacturer’s Warranty | 1 year limited warranty |
| Ship Weight | 126.0 lbs |
| Fuel Type | Propane |
| Heat Output | 75,000 Btu/hour |
| Heat Type | Infrared |
| Heating Capability | 1,000 ft² |
| Blower Included | Yes |
| Assembled Width | 13 in |
| Assembled Height | 8 in |
| Assembled Depth | 240 in |
| Thermostat Included | No |
| Volts | 120 |
| Amps | 3 |
| Product Weight | 100.8000 lb |
| Dimensions L x W x H (in.) | 240.0 x 13.0 x 8.0 in |







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