CB-3500, Waste Oil Furnace, Used Oil Furnace, Furnace, Clean Burn, Model CB-3500, 350,000 BTU/hr.


The Clean Burn Model CB-3500 is an industrial grade waste oil furnace for service facilities with four or more bays and where larger quantities of waste oil are generated or collected. The CB-3500 generates approximately 350,000 BTU/hr and is UL listed for use as either a unit heater or central (ducted) furnace. A Clean Burn Distributor is the expert you want for furnace selection and installation.


 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-3500Specs.
*Maximum BTU/hour350,000 (102 kW)
*Maximum oil consumption2.3 GPH (8.2L/h)
FuelsUsed oils: Crankcase,ATF, hydraulic
Fuel oils: #2, #4, and #5 fuel oil
Air flow output (CFM)Unit heater 4200
Central furnace (ducted)
0.25 SPWC (in.) 4000
0.30 SPWC (in.) 3800
*Air compressor required2.0 CFM @ 25 PSI
(3.4 m3/h @ 1.7 bar)
Stack Size8 inch dia.(20cm dia.)
Furnace Dimensions, Assembled74” L x 35 W x 61 H
(188cm x 89cm x 155cm)
Approx. Weight (uncrated)836 pounds (379 kg)
Electrical Requirements230 VAC 60 Hz, single phase
30 A circuit breaker

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


CB-3500 User Manual

International Manual

CB-3500 Bid Specs