SunStar SIS Vacuum System 40' Single Stage 125K BTU Straight Tube Heater

SunStar SKU: SIS12540N5
SunStar SIS Vacuum System 40&
SunStar SIS Vacuum System 40&
SunStar SIS Vacuum System 40&
SunStar SIS Vacuum System 40&
SunStar SIS Vacuum System 40&

SunStar SIS Vacuum System 40' Single Stage 125K BTU Straight Tube Heater

SunStar SKU: SIS12540N5
Fuel Type
Regular price $2,609.46 Sale price $1,931.00 Save 26%
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SIS Vacuum System 40' Single Stage SunStar 125K BTU Straight Tube Heater Product Details

Sunstar Authorized Dealer - Flame Authority

* Ready to Ship * Proudly Made in the USA * Fastest Delivery *

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
  • Optional elbows and corner reflectors
  • Optional decorative grille
  • Sidewall or through the roof venting
  • Vented or indirect vented operation
  • Includes 36″ stainless steel gas connector.

Check out the SunStar SIS Vacuum System 40' Single Stage 125K BTU Straight Tube Heater now here at Flame Authority, your trusted dealer!

Features:

Vacuum System

  • Products of combustion are pulled through the combustion chamber for increased radiant efficiency
  • and greater safety
  • No draft hoods; 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 (Tough 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:

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:

  • Model: 
    • SIS12540
  • Total Tube Length:
    • 40'
  • Overall Dimensions "L" (FT):
    • 42' 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 Spark

SIS Minimum Mounting Heights

  • Height at Horizontal: 14'
  • Height at 45° Angle: 13'
NOTES: Since straight tubes are always hotter at the burner end than at the exhaust end, always observe the minimum recommended mounting heights shown on the specification sheet for greatest human comfort. Use SIU series instead of SIS series for spot heating applications. SIS Clearances to Combustibles
  • Side: 32"
  • Ceiling*: 6"
  • Below: 82"
  • End: 20"
  • (45°) Front: 66"
  • (45°) Rear: 12"

Reminders:

*When used indirect vented, minimum clearance for Ceiling must be: 12″ for SIS 50-75, and 18″ for SIS 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.

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why buy from us

By buying from us you qualify for the full manufacturer warranty, save time and money! We ship directly to your door from the manufacturer's warehouse. Every product is checked for quality assurance and packaged with the utmost care to ensure it arrives in perfect working condition. We ship with only the best carriers including UPS, FedEx, USPS, and trusted freight companies to get your product to you in the fastest time possible. We even offer discounts with most orders just to make your day a little better.

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