SunStar SIS Vacuum System 20' Single Stage 75KBTU Straight Tube Heater

Fuel Type

Natural Gas

Liquid Propane

Price Save 26%

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SIS Vacuum System 20' Single Stage SunStar 75K 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 20' Single Stage 75K BTU Straight 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; 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

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

Specifications:

Model:

SIS7520

Total Tube Length:

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:

Ignition Type:

Direct Spark

SIS Minimum Mounting Heights

Height at Horizontal: 13'
Height at 45° Angle: 12'

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: 24"
Ceiling*: 6"
Below: 60"
End: 15"
(45°) Front: 52"
(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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