This heater requires a 120‑volt electrical supply for the blower, ignition, and control system.
SunStar Heating Products Garage Tube Heater, Propane, 45,000 BTU, Model# SIR45-15-L

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Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- Compact size: overall length is 110in. for ease of installation
- Efficiencies range up to 84.5%
- Installation as low as 8ft. above floor
- CSA design certified
- Vacuum System pulls combustion products through the combustion chamber for greater safety, virtually eliminating the possibility of combustion gases leaking into the heated space
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Description
Key Specs
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Product Summary
NOTE: In residential garage applications, the heater must be vented outside through sidewall or the roof. In commercial/industrial space heating applications, the heater can be indirectly vented (optional exhaust hood sold separately). Please review the detailed Installation Operating Instructions (attached) for other specific installation requirements (gas pressure, ventilation etc.) prior to purchasing the heater.
What's Included
- (1) Garage tube heater (1) 36in. stainless steel flexible gas connector
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Features + Benefits
- Compact size: overall length is 110in. for ease of installation
- Efficiencies range up to 84.5%
- Installation as low as 8ft. above floor
- CSA design certified
- Vacuum System pulls combustion products through the combustion chamber for greater safety, virtually eliminating the possibility of combustion gases leaking into the heated space
- Solid State Ignition System offers reliable electronic direct spark ignition system with 100% gas safety shutoff control and 30-second pre-purge
- U-Tube Design provides uniform emitter tube temperatures and energy distribution on the floor, unlike straight tube heaters which are always hotter at the burner end than at the exhaust end
- Heavy-duty combustion chamber
- Aluminum reflectors with 97% reflectivity rating
- Diaphragm safety switch for proof of venting and system indicator lights
- Includes 36in. stainless steel flexible gas connector
- 4in. round flue connection
- 120VAC, 60HZ, 2.4 Amps
Key Specs
| Attribute | Specification |
|---|---|
item# | 16273 |
Brand | SunStar |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 90.0 LB |
Heat Output | 45,000 Btu/hour |
Heat Type | Radiant |
| Attribute | Specification |
|---|---|
Heating Capability | 2,000 ft² |
Needs Direct Venting | Yes |
Blower Included | No |
Thermostat Included | No |
Dimensions L x W x H (in.) | 110 x 18 x 10 in |
Reviews
Questions & Answers
Questions
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· 3 months ago
Does this require electricity along with the gas? For example: for an ignitor.
1 answer-
ProductExpert29· 3 months ago
Helpful?
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· 6 months ago
does this unit come with the heat shield ?
1 answer-
ProductExpert6· 6 months ago
The tube heater does not come with a heat shield or deflector hood. They would need to be purchased separately and is available through the manufacturer.
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· 9 months ago
Is everything included that is in the picture?
1 answer-
ProductExpert29· 9 months ago
Model SIR45-15-L includes one garage tube heater and a 36-inch stainless steel flexible gas connector.
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Anonymous· 2 years ago
Where can I read the manual before I buy?
1 answer-
ProductExpert6· 2 years ago
The product manual for this heater is listed on our website. You will find it just below the product summary.
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· 2 years ago
Does this come with the deflector hood on the top?
1 answer-
ProductExpert23· 2 years ago
The SunStar Heating Products Garage Tube Heater does not come with a deflector hood on the top. However, an optional deflector and exhaust hood can be purchased separately from the manufacturer if needed
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· 4 years ago
Is this unit sold as scene and pictures ready to hook up and install and use no extra stuff needed to purchase
1 answer-
ProductExpert29· 4 years ago
This unit will include the heater and heating tube as shown in the picture. It will also include a 36" flexible gas connection. Installation hardware and mounts are not included. An optional deflector and exhaust hood can be purchased directly from the manufacturer. Fresh air and exhaust venting may also be required depending on your building codes (sold separately).
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· 5 years ago
How many square feet is this specific heater designed to heat?
1 answer-
ProductExpert12· 5 years ago
This tube heater has a heating capability up to 2,000 square feet.
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· 5 years ago
Do these automatically turn on/off if they are run on a thermostat?
1 answer-
ProductExpert6· 5 years ago
The heater would come on and off at the set temperatures on the thermostat.
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· 5 years ago
We are building a fruiting chamber for a mushroom farm.... the humidity will be around 85-90% , we can use fresh air from outside for its fresh air but was wondering if it will handle high humidity
1 answer-
ProductExpert11· 5 years ago
In contaminated atmospheres or high humidity areas, optional outside air for combustion is recommended.
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· 5 years ago
what is required to direct vent his unit?
1 answer-
ProductExpert38· 5 years ago
Please refer to page 19 of the online manual from the product page for venting specifics. Venting can be ordered directly from the manufacturer.
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Warranty
Manufacturer's Warranty
1 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
45,000 Btu/hour
100,000 Btu/hour
75,000 Btu/hour
150,000 Btu/hour
Radiant
Infrared
Infrared
Infrared
2,000 ft²
1,200 ft²
1,000 ft²
2,000 ft²
Yes
No
-
-
No
No
Yes
Yes
No
No
No
No
110 x 18 x 10 in
60.5 x 21.5 x 11.0 in
144.0 x 31.0 x 8.0 in
324.0 x 31.0 x 8.0 in
-
No
-
-
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lb
116.8000 lb
206.4000 lb
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-
3
2
-
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120
120
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