CB-3250 Clean Burn Waste Oil Heater

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Largest of the Low Profile Models.


Clean Burn is the world leader in waste oil furnaces and boilers, manufacturing top-quality, high-efficiency oil heaters for all situations. Clean Burn's patented design requires less maintenance and cleaning than comparable models while providing strong, consistent heat output. The heat exchange design and non-welded flue tubes prevent clogs and oils from accumulating, while the advanced burner preheats oil for maximum heat output.


Clean Burn specializes in waste oil heaters and waste oil furnaces and designs the safest, most efficient, and most cost-effective oil heaters available in all sizes. The Clean Burn waste heater eliminates waste oil without producing excess residue or contaminating your working area. 


The largest of the Low Profile Clean Burn Models, CB-3250 provides more installation and functional options than any other waste oil furnace. It is ideal for limited ceiling heights, and the range of installation options is unsurpassed.


Producing approximately 325,000 BTU/hr, the CB-3250 can be used as an individual unit heater or a central furnace system. 



  • 325,000 BTU/hr
  • 2.1 GPH (7.91 L/h) Max Oil Consumption
  • Used Oils: Crankcase, ATF, Hydraulic
  • Fuel Oils: #2, #4, #5
  • Air Compressor Required: 2.5 CFM at 25 PSI (4.25 m3/h at 1.7 bar)
  • Electrical Requirement: 230 VAC 60 Hz, Single Phase, 30 A Circuit Breaker
  • Dimensions: 121" L x 31.25" W x 35" H (307 cm x 80 cm x 89 cm)

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