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SunStar SIU Series Standard/Tough Guy Infrared Straight U Tube Single Stage Heater - 75,000 BTU

SKU: SIU7520N5

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Whether you need to heat your warehouse, garage, or other hard-to-heat spaces, the SunStar SIU Series infrared heaters provide both the fuel efficiency of radiant heat and the installation flexibility you need.

The SIU Series are perfect heaters for hard-to-heat spaces like your warehouse or garage, the SunStar 75,000 BTU SIU Series Infrared Tube Heater with a 20'/30' long tube provides both the fuel efficiency of radiant heat and the installation flexibility you need.

The minimum mounting heights are shown for human comfort and uniform energy distribution for complete building applications. Mount heaters as high as possible. CSA certified. This product has 5 year limited warranty on tubes and 1 year limited warranty on unit. This product is made in USA.

Note: The SIU Series of Infrared Tube Heaters give you the same options you like from the SIS Series, but at a shorter length. The tube is bent in a U shape.

What's Included: (Burner Package: Main Burner and hardware Emitter Tubes and Reflectors).

Features:

  • Gas shut-off safety control
  • Heavy duty cast iron burner
  • Maintenance-free operation
  • Enclosed combustion chamber
  • Several lengths to choose from
  • 5 year limited warranty on all tubes
  • Your choice of natural gas or propane
  • Standard highly emissive radiant tubes
  • Heat treated aluminized steel combustion chamber
  • Suitable for horizontal or angle mounting up to 45 degrees
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
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
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 quite ignition and added safety
  • Inside or outside air for combustion
  • Up to 50 ft. outside combustion air capability
  • Diagnostic Monitoring Light System
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

Applications:

  • Manufacturing Plants
  • Warehouses
  • Auto Dealerships
  • Aircraft Hangars
  • Loading Docks
  • Weld Shops
  • Fire Stations
  • Gymnasiums
  • Garages
  • Machine Shops
  • Tennis Courts
  • Maintenance Shops
  • Farm Buildings
  • Truck Service Areas
  • Auto Body Shops

Specifications:

Fuel Type
Natural Gas / Propane Gas
Material Cast Iron/Aluminum
Color Stainless Steel
Dimensions
(WxHxD)
  • SIU7520N5/L5:
    12' 9" x 6 1/4" x 31"
  • SIU7520TGN5/L5:
    12' 9" x 6 1/4" x 31"
  • SIU7530N5/L5:
    17' 9"
    x 6 1/4" x 31"
  • SIU7530TGN5/L5:
    17' 9"
    x 6 1/4" x 31"
Weight 116.8 lbs
BTU Ratings (BTU/hr) 75,000 (LP/NG)
Ignition Type Direct Spark Ignition
Volts 120 AC 60Hz
Supply Pressure
  • NG - 5"/14" WC
  • LP - 11"/14" WC
Burner Pressure
  • NG - 3.5" WC
  • LP - 10" WC
Warranty
  • 5-year limited manufacturer warranty on the burner assembly
  • 1-year limited manufacturer warranty on controls


SIU Clearances to Combustibles:

Side Ceiling* Below End (45°) Front (45°) Rear
24" 6" 60" 52" 52" 12"

*Note: "When used indirect vented, minimum clearance for Ceiling must be 12 inches".

*Also Note: "Maximum clearance below reduces by 50% once you are 25 ft. downstream from the control box."

Please check Product Manual for more Information...

Dimensions:

Bottom View
End View

Options & Accessories

Click to see 6" Vent Cap For Sidewall Or Roof Vent

This 6" vent cap is used for sidewall venting or through-the-roof venting. It can be used with all infrared tube heaters. This product has a limited warranty of 1 Year. This product is made in USA.

Click to see 4" Combustion Air Termination Cap

This 4" cap. is used for combustion air or fresh air duct termination. It can be used with all infrared tube heaters. This product has limited warranty of 1 year. This product is made in USA.

Click to see Exhaust Hood

This Exhaust Hood is for use with all straight and U-Shaped infrared tube heaters. Intended for inside indirect vented use. This product has a limited warranty of 1 Year. This product is made in USA.

Click to see Gas Supply Accessories

Gas Line Pressure Regulator Up To 2 PSIG

This Regulator is for use with all Tube Heaters between 1/2 and 2 psig. The maximum supply pressure to the infrared heaters is 14" WC or 1/2 psig. If your supply pressure is between 1/2 psig and 2 psig then you will need this second stage regulator. The regulator is equipped with vent limiting device and complies with ANSI standards. The regulator does not need any venting. This product has limited warranty of 1 year. This product is made in USA.

Gas Line Pressure Regulator Above 2 PSIG

This Regulator is for use with all Tube Heaters between 2 and 10 psig. The maximum supply pressure to the infrared heaters is 14 " WC or 1/2 psig. If your supply pressure is above 2 psig and less than 10 psig then you will need this second stage regulator. The regulator requires venting outside the building to comply with local codes. This product has limited warranty of 1 year. This product is made in USA.

36" Flexible Gas Connector

This 36" flexible gas connector is For use with all ceramic heaters. Features long-lasting stainless steel construction. This product has limited warranty of 1 year. This product is made in USA.

Click to see Thermostat options

Economy Line Voltage Thermostat

Economical, easy-to-mount Line Voltage Thermostat fits flat on a wall with 1in. recess in wiring box. Durable, bit-metallic heat-sensing element for use with SIR Series Garage Heaters and SGM Series Infrared Ceramic Heaters.

Deluxe Line Voltage Thermostat

This Deluxe Line Voltage Thermostat can be used to control up to 6 heaters at once. Maintains consistent temperatures within a range of 35° to 95°F. Thermostat is extremely accurate, with a ±2°F differential. 16 amp full load. Includes NEMA 1 enclosure and SPST switch.

Corrosive Environment Voltage Thermostat

This Corrosive Environment Line voltage Thermostat is capable of controlling up to 6 heaters. Features a durable stainless steel sensing element and water-tight UL recognized ABS plastic enclosure. Maintains consistent temperatures within a range of 40° to 104°F.

24v Thermostat

Economical, easy-to-mount 24V Thermostat fits flat on a wall with 1in. recess in wiring box. Durable, bit-metallic heat-sensing element for use with SIR Series Garage Heaters and SGM Series Infrared Ceramic Heaters. U.S.A.

Night Setback Thermostat

This Night Setback Thermostat is digital and easily programmable. Can be used to control up to 6 heaters at once. Maintains consistent temperatures within a range of 45° to 90°F. Thermostat is extremely accurate, with a ±1°F differential. Features four different programmable periods per day and 5/2 day programming. Includes self-contained painted locked cabinet with hinged door. 16 amp full load. This product is made in USA.

24V Thermostat Relay Kit

This 24 Volt relay kit is to be used with a 24 Volt thermostat in conjunction with one straight or u-shaped infrared tube heater.

Thermostat Enclosure

This Thermostat enclosure with heavy duty metal enclosure.

  • Heavy Duty metal thermostat enclosure - tamperproof
  • Hinged access door with locking cover
  • Can be used with any thermostat
  • Prevents direct radiant energy affecting the thermostat sensor.

Click to see Chain Kit

This chain kit is used to hang heaters from the ceiling. It includes 25' of chain and 12 S-hooks. It can be used with all infrared tube heaters.

    Click to see Manual Cutoff Valve

    This Manual Cutoff Valve is for use with All Infrared Tube Heaters. Ball valve with 1/2" NPT female thread.

      Click to see 2x End Reflector Kit

      This optional End Reflector Kit is designed to cover both ends of the tubes to increase radiant output. Helps to minimize convection losses and increase tube temperatures. Recommended for use when the heaters are angle mounted or when overall system efficiency improvements are needed.

        Click to see U Bend Package

        The optional U-Bend Package will minimize the clearance to combustibles above the unit. For use with U-Shaped infrared tube heaters.

          Click to see Manual (On/Off) Toggle Switch

          The SunStar Manual (On/Off) Toggle Switch is designed for manual heater control of single stage heaters.

            Click to see 60 Minute Auto Shut-Off Timer

            The 60 minute Auto Shut-off timer is specifically designed for SunStar heaters. it's Safety feature shuts off your heater after an hour.
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              Delivery Estimated between and . Will usually ship within 1 business day.

              Description

              Whether you need to heat your warehouse, garage, or other hard-to-heat spaces, the SunStar SIU Series infrared heaters provide both the fuel efficiency of radiant heat and the installation flexibility you need.

              The SIU Series are perfect heaters for hard-to-heat spaces like your warehouse or garage, the SunStar 75,000 BTU SIU Series Infrared Tube Heater with a 20'/30' long tube provides both the fuel efficiency of radiant heat and the installation flexibility you need.

              The minimum mounting heights are shown for human comfort and uniform energy distribution for complete building applications. Mount heaters as high as possible. CSA certified. This product has 5 year limited warranty on tubes and 1 year limited warranty on unit. This product is made in USA.

              Note: The SIU Series of Infrared Tube Heaters give you the same options you like from the SIS Series, but at a shorter length. The tube is bent in a U shape.

              What's Included: (Burner Package: Main Burner and hardware Emitter Tubes and Reflectors).

              Features:

              • Gas shut-off safety control
              • Heavy duty cast iron burner
              • Maintenance-free operation
              • Enclosed combustion chamber
              • Several lengths to choose from
              • 5 year limited warranty on all tubes
              • Your choice of natural gas or propane
              • Standard highly emissive radiant tubes
              • Heat treated aluminized steel combustion chamber
              • Suitable for horizontal or angle mounting up to 45 degrees
              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
              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
              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 quite ignition and added safety
              • Inside or outside air for combustion
              • Up to 50 ft. outside combustion air capability
              • Diagnostic Monitoring Light System
              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

              Applications:

              • Manufacturing Plants
              • Warehouses
              • Auto Dealerships
              • Aircraft Hangars
              • Loading Docks
              • Weld Shops
              • Fire Stations
              • Gymnasiums
              • Garages
              • Machine Shops
              • Tennis Courts
              • Maintenance Shops
              • Farm Buildings
              • Truck Service Areas
              • Auto Body Shops

              Specifications:

              Fuel Type
              Natural Gas / Propane Gas
              Material Cast Iron/Aluminum
              Color Stainless Steel
              Dimensions
              (WxHxD)
              • SIU7520N5/L5:
                12' 9" x 6 1/4" x 31"
              • SIU7520TGN5/L5:
                12' 9" x 6 1/4" x 31"
              • SIU7530N5/L5:
                17' 9"
                x 6 1/4" x 31"
              • SIU7530TGN5/L5:
                17' 9"
                x 6 1/4" x 31"
              Weight 116.8 lbs
              BTU Ratings (BTU/hr) 75,000 (LP/NG)
              Ignition Type Direct Spark Ignition
              Volts 120 AC 60Hz
              Supply Pressure
              • NG - 5"/14" WC
              • LP - 11"/14" WC
              Burner Pressure
              • NG - 3.5" WC
              • LP - 10" WC
              Warranty
              • 5-year limited manufacturer warranty on the burner assembly
              • 1-year limited manufacturer warranty on controls


              SIU Clearances to Combustibles:

              Side Ceiling* Below End (45°) Front (45°) Rear
              24" 6" 60" 52" 52" 12"

              *Note: "When used indirect vented, minimum clearance for Ceiling must be 12 inches".

              *Also Note: "Maximum clearance below reduces by 50% once you are 25 ft. downstream from the control box."

              Please check Product Manual for more Information...

              Dimensions:

              Bottom View
              End View

              Options & Accessories

              Click to see 6" Vent Cap For Sidewall Or Roof Vent

              This 6" vent cap is used for sidewall venting or through-the-roof venting. It can be used with all infrared tube heaters. This product has a limited warranty of 1 Year. This product is made in USA.

              Click to see 4" Combustion Air Termination Cap

              This 4" cap. is used for combustion air or fresh air duct termination. It can be used with all infrared tube heaters. This product has limited warranty of 1 year. This product is made in USA.

              Click to see Exhaust Hood

              This Exhaust Hood is for use with all straight and U-Shaped infrared tube heaters. Intended for inside indirect vented use. This product has a limited warranty of 1 Year. This product is made in USA.

              Click to see Gas Supply Accessories

              Gas Line Pressure Regulator Up To 2 PSIG

              This Regulator is for use with all Tube Heaters between 1/2 and 2 psig. The maximum supply pressure to the infrared heaters is 14" WC or 1/2 psig. If your supply pressure is between 1/2 psig and 2 psig then you will need this second stage regulator. The regulator is equipped with vent limiting device and complies with ANSI standards. The regulator does not need any venting. This product has limited warranty of 1 year. This product is made in USA.

              Gas Line Pressure Regulator Above 2 PSIG

              This Regulator is for use with all Tube Heaters between 2 and 10 psig. The maximum supply pressure to the infrared heaters is 14 " WC or 1/2 psig. If your supply pressure is above 2 psig and less than 10 psig then you will need this second stage regulator. The regulator requires venting outside the building to comply with local codes. This product has limited warranty of 1 year. This product is made in USA.

              36" Flexible Gas Connector

              This 36" flexible gas connector is For use with all ceramic heaters. Features long-lasting stainless steel construction. This product has limited warranty of 1 year. This product is made in USA.

              Click to see Thermostat options

              Economy Line Voltage Thermostat

              Economical, easy-to-mount Line Voltage Thermostat fits flat on a wall with 1in. recess in wiring box. Durable, bit-metallic heat-sensing element for use with SIR Series Garage Heaters and SGM Series Infrared Ceramic Heaters.

              Deluxe Line Voltage Thermostat

              This Deluxe Line Voltage Thermostat can be used to control up to 6 heaters at once. Maintains consistent temperatures within a range of 35° to 95°F. Thermostat is extremely accurate, with a ±2°F differential. 16 amp full load. Includes NEMA 1 enclosure and SPST switch.

              Corrosive Environment Voltage Thermostat

              This Corrosive Environment Line voltage Thermostat is capable of controlling up to 6 heaters. Features a durable stainless steel sensing element and water-tight UL recognized ABS plastic enclosure. Maintains consistent temperatures within a range of 40° to 104°F.

              24v Thermostat

              Economical, easy-to-mount 24V Thermostat fits flat on a wall with 1in. recess in wiring box. Durable, bit-metallic heat-sensing element for use with SIR Series Garage Heaters and SGM Series Infrared Ceramic Heaters. U.S.A.

              Night Setback Thermostat

              This Night Setback Thermostat is digital and easily programmable. Can be used to control up to 6 heaters at once. Maintains consistent temperatures within a range of 45° to 90°F. Thermostat is extremely accurate, with a ±1°F differential. Features four different programmable periods per day and 5/2 day programming. Includes self-contained painted locked cabinet with hinged door. 16 amp full load. This product is made in USA.

              24V Thermostat Relay Kit

              This 24 Volt relay kit is to be used with a 24 Volt thermostat in conjunction with one straight or u-shaped infrared tube heater.

              Thermostat Enclosure

              This Thermostat enclosure with heavy duty metal enclosure.

              • Heavy Duty metal thermostat enclosure - tamperproof
              • Hinged access door with locking cover
              • Can be used with any thermostat
              • Prevents direct radiant energy affecting the thermostat sensor.

              Click to see Chain Kit

              This chain kit is used to hang heaters from the ceiling. It includes 25' of chain and 12 S-hooks. It can be used with all infrared tube heaters.

                Click to see Manual Cutoff Valve

                This Manual Cutoff Valve is for use with All Infrared Tube Heaters. Ball valve with 1/2" NPT female thread.

                  Click to see 2x End Reflector Kit

                  This optional End Reflector Kit is designed to cover both ends of the tubes to increase radiant output. Helps to minimize convection losses and increase tube temperatures. Recommended for use when the heaters are angle mounted or when overall system efficiency improvements are needed.

                    Click to see U Bend Package

                    The optional U-Bend Package will minimize the clearance to combustibles above the unit. For use with U-Shaped infrared tube heaters.

                      Click to see Manual (On/Off) Toggle Switch

                      The SunStar Manual (On/Off) Toggle Switch is designed for manual heater control of single stage heaters.

                        Click to see 60 Minute Auto Shut-Off Timer

                        The 60 minute Auto Shut-off timer is specifically designed for SunStar heaters. it's Safety feature shuts off your heater after an hour.

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