Model CB-1400 Furnace

The Clean Burn Model CB-1400 is the smallest and most economical Clean Burn used-oil furnace in terms of initial cost. It produces approximately 140,000 BTU/hr. and is ideal for small garages, shops, and workspaces.



Industry leading engineering and construction

  • Engineered from the ground up exclusively to burn used oils
  • Patented heat exchanger generates more heat
  • Unique non-welded flue tubes for longer service life
  • Advanced burner preheats oil, regulates and optimizes combustion
  • Swing-away burner and door for easier maintenance and service
  • Longest cleaning interval of all units in its class
  • Lower stack temperatures, higher heat output
  • Automatic flow control, no fuel adjustments required
  • The only furnace in its class UL-listed as both a unit heater and a central (ducted) furnace
  • Ideal for space heating or as part of a Clean Burn Recycling Center
  • Unequaled service and support through Clean Burn Distributors
  • Government purchasing: GS-07F-5357P
CB-1400 Specifications
Maximum BTU/hour * 140,000 (41 kW)
Maximum Oil Consumption * 1.0 GPH (3.8 L/h)
Used oils Crankcase, ATF, hydraulic
Fuel oils #2, #4, #5 fuel oil
Air flow output (CFM)
Unit heater 1625
Central furnace (ducted)
0.25 SPWC (in.) n/a
0.40 SPWC (in.) n/a
Air compressor req’d * 2.0 CFM20 PSI
3.4 m3/h1.4 bar
Stack size 8 inch dia. (203mm dia.)
Furnace dimensions, assembled 40” L x 46” W x 30” H
1016mm x 1168mm x 762mm
Approx. weight 343 pounds (154.4 kg)
Electrical requirements 115 VAC 60 Hz, single phase
20 amp circuit breaker
* Values indicated above are nominal. Actual values will vary depending on fuel and installation. 

Furnace system includes: check valve and filter screen, in-line washable canister filter, barometric damper, wall thermostat, and oil supply pump.