CTB-1500, Waste Oil Furnace, Used Oil Furnace, Furnace, Clean Burn, Model CB-1500, 44 kW, 150000 BTU/hr.


The Clean Burn Model CB-1500 is rated at approximately 150,000 BTU/h. Low profile design for convenient installation. UL and CE listed for use as a unit heater or central (ducted) furnace.



 Engineered from the ground up to burn waste oils

Patented heat exchanger generates more heat

Unique non-welded flue tubes for longer service life

Advanced burner preheats oil to optimize combustion

Swing-away burner and door make service easy

Longest cleaning interval of all units in its class

Lower stack temperatures, higher heat output

Automatic flow control means no fuel adjustment required

Ideal for unit heating or with a Clean Burn Recycling Center

Unequaled service and support from Clean Burn Distributors

Model CB-1500Specs.
*Maximum BTU/hour150,000 (44 kW)
*Maximum oil consumption1.1 GPH (4 L/h)
FuelsUsed oils: Crankcase,ATF, hydraulic
Fuel oils: #2, #4, and #5 fuel oil
Air flow output (CFM)Unit heater 1700
Central furnace (ducted)
0.25 SPWC (in.) 1500
0.30 SPWC (in.) 1400
*Air compressor req’d2.0 CFM @ 20 PSI
(3.4 m3/h @ 1.4 bar)
Stack Size8 inch dia.(203mm dia.)
Furnace Dimensions, Assembled83.25″L x 29.5″W x 29.25″H
(2115 x 750 x 743 mm)
Approx. Weight (uncrated)320 pounds (145 kg)
Electrical Requirements230 V/50 Hz; 10.9 amps
15 amps circuit breaker

*Values indicated above are nominal. Actual values will vary depending on fuel and installation.


CB-1500 User Manual