SIU Vacuum System 40' Single Stage SunStar 175K BTU U-Tube Heater Product Details
* Ready to Ship * Proudly Made in the USA * Fastest Delivery *
The Economical Alternative for Hard-to-Heat Spaces
Whether you need to heat your warehouse, garage, or other hard-to-heat spaces, the Sunstar SIS/U Series infrared heaters provide both the fuel efficiency of radiant heat and the installation flexibility you need...and all at a comfortable price.
Key Features:
- Pull Through System
- 6 different Btu sizes and more than 60 different configurations to custom design your infrared heating system
- CSA design certified
- Available in natural and propane gas
- Sidewall or through the roof venting
- Vented or indirect vented operationOptional U-bend Reflector
- Includes 36?? stainless steel gas connector
Check out the SunStar SIU Vacuum System 40' Single Stage 175K BTU U-Tube Heater now here at Flame Authority, your trusted dealer!
Features
Features:
Vacuum System
- Products of combustion are pulled through the combustion chamber for increased radiant efficiency and greater safety
- 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
Burner System
- Heavy-duty cast iron burner
- Reliable direct spark ignition system and 100%
- Gas Shut-Off Safety Control
- Burner inspection sight glass
- Step-opening redundant combination gas valve for quiet ignition and added safety
- Inside or outside air for combustion
- Up to 50 ft. outside combustion air capability
- Diagnostic Monitoring Light System
Radiant Emitter Tube System
- 4? O. D. heat-treated aluminized steel combustion chamber (10? length)
- Standard highly emissive radiant tubes (10? lengths) Optional aluminized steel radiant tubes (Though Guy Option)
- 5-year limited warranty on all tubes
- Suitable for horizontal or angle mounting up to 45?
- Up to 75 feet sidewall vent capability
Reflector System
- Highly efficient aluminum reflectors
- Individual reflectors can be rotated up to 45? to direct heat where needed
- Optional end, corner, U-bend and side extension reflectors
Manuals
Manuals:
- SIU Spec Sheet
- Pull Vs Push-Thru Reference Chart
- SIU Installation and Operation Instructions
- Accessories
Need assistance? Talk to an expert at +1-800-923-4556 or email support@flameauthority.com to get the best-suited heater for your needs.
Specifications
Specifications:
- Model:
- SIU17540
- Total Tube Length:
- 40'
- Overall Dimensions "L" (FT):
- 22' 9"
- Fuel Type:
- Natural Gas
- Liquid Propane
- Burner Pressure:
- 3.5" W.C.
- 10" W.C.
- Supply Pressure:
- Min. 5" W.C. Max. 14" W.C.
- Min. 11" W.C., Max. 14" W.C.
- Voltage:
- 120 VAC 60 Hz
- Amps:
- 2.4
- Ignition Type:
- Direct Ignition
SIS Minimum Mounting Heights
- Height at Horizontal: 16'
- Height at 45? Angle: 15'

- Side: 42"
- Ceiling*: 6"
- Below: 93"
- End: 20"
- (45?) Front: 77"
- (45?) Rear: 12"
Reminders:
*When used indirect vented, minimum clearance for Ceiling must be: 12?? for SIU 50-75, and 18?? for SIU 100-175. If optional corner and U-bend reflectors are not used, the clearance must be 18??.
**Maximum clearance below reduces by 50% once you are 25 ft. downstream from the control box.
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.