
Price: $1,250.00
Customers Also Viewed
U-Tubes Tube heaters ideal for high heat loss or spot heating. Positive pressure system pressurizes the combustion chamber. All gas connection, electrical connection and flue connection at the same end of the heater. Reliable direct spark ignition and 100% gas shut-off safety control. Up to 40' of ducting in fresh air or 40' sidewall venting capability. Blower is located inside the burner box. Ideal for applications where minimal noise (less than 60dB) is desired. Heavy duty permanently lubricated and ball bearing blower motor for maintenance-free operation. Highly efficient aluminum reflectors. Includes diaphragm air switch, heavy duty cast iron burner and burner inspection sight glass. Diagnostic monitoring light system. 120V supply required. External 24V thermostat connection or line voltage operation. CSA certified. 5 Year Limited Warranty on tubes. 1 Year Limited Warranty on unit. Made in the USA.
To help pick out the heater that's right for you, click here to view the Heat Loss Estimating Chart.
Product Specifications
- BRANDSunStar
- LENGTH FEET17-3/4
- WIDTH INCHES31
- HEIGHT INCHES6-1/4
- DUCT SIZE INCHES4
- MIN. CLEARANCE COMBUSTIBLE AT 45 DEGREE ANGLE INCHFront 66, Rear 20, Ceiling 6, Below 101, End 40
- MIN. CLEARANCE COMBUSTIBLES AT HORIZONTAL INCHSide 66, Ceiling 6, Below 101, End 40
- WEIGHT LBS148.8
- CONSTRUCTIONCast Iron Burner / Aluminum Reflectors
- MANUFACTURER PART#SPU125-30-N5
- TUBE CONSTRUCTIONHot Rolled Steel
- BTU HIGH125000
- GAS INLET PRESSURE MAX. WATER COLUMN INCHES14
- GAS INLET PRESSURE MIN. WATER COLUMN INCHES5
- SHAPEU
- FUEL TYPENatural Gas
- IGNITION TYPEDirect Spark
- DESCRIPTIONStandard
- TYPEPositive Pressure
- LIMITED WARRANTY YEARS1
- MIN. MOUNTING HEIGHT FEET AT HORIZONTAL14
- MIN. MOUNTING HEIGHT FEET AT 45 DEGREE ANGLE13
- BURNER PRESSURE W.C. INCHES3-1/2
- TUBE LENGTH FEET30
There are no questions for this product.

SunStar Deluxe Line Voltage Thermostat - For Infrared Tube Heaters 03209000
Item #: B61833
Not Yet Rated
$131.95
This product has a 12-month manufacturer's limited warranty for parts and a 12-month manufacturer's limited warranty for labor. Protect your purchase beyond the manufacturer's limited warranty.
Popular item in this category
SunStar Natural Gas Infrared Heater U-Tube Positive Pressure - SPU125-50-N5 - 125000 BTU
Item #: B59772
Not Yet Rated
Usually ships in 5 to 8 days
$1,576.00

SunStar Natural Gas Infrared Heater U-Tube Positive Pressure - SPU125-30-N5 - 125000 BTU
$1250.0
- Product Information
- Customer Review
- Product Q&A
- Accessories
- Warranty