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The Inside Story On Outdoor Wood Furnaces.

The Central Boiler Classics™ are engineered to be the most efficient outdoor wood furnaces available while providing the best durability, low maintenance features, and an appealing fit and finish. Models are available in a choice of heavy gauge carbon steel (CL and PB Models). Carbon steel models have proven their durability over many years of service.

Many of our models are also available with a Dual Fuel Option

Color Options

Because of property owner's varying tastes when it comes to color preference, Central Boiler outdoor wood furnaces are available in 9 color options, with the exception of the CL7260 and Pallet Burner, which are available in Charcoal.

Charcoal Forest
Green
Brown Red Mocha
Tan
Ocean
Blue
White Black
             
      Realtree®
Oak
       

 


  Central Boiler Brochure - 16 pages (1.84MB) in PDF format.

  E-Classic Brochure - 3 pages (1MB) in PDF format.

 


 
E-Classic 2300 Model

Door. . . . . . . . . . . . . . . . . . . . . . . 23" x 29"

Firebox.. . . . . . . . . . . . . .  . . . . .36"x30"x41"
Water Jacket Capacity.... . . .. . . . . . .450 gal.
Weight.... . . . . . . . . . . . . . . . . . . .2,900 lbs.

E-Classic 2300 Model

Door... . . . . . . . . . . . . . . . . . . . . . . 23" x 29"

Firebox.... . . . . . . . . . . . . .... . . . .36"x30"x41"
Water Jacket Capacity...... . . .. . . . . . .450 gal.
Weight...... . . . . . . . . . . . . . . . . . . .3,000 lbs.
Gas Backup Burner... . . . . . . . . . . . 175,000 Btu
Gas-fired Wood Ignition Burner.......... 60,000 Btu
Actual performance from working applications:
  • Similar output to CL 6048.
  • Replaces up to 800 gallons of fuel oil per month.

The Classic - Cutaway

 

Click image for more detailed view.

   

The E-Classic - Cutaway

 

Click image for more detailed view.

 

                                 

 

Classic CL 4030

Door. . . . . . . . . . . . . . . . . . . . . . . 20"x20"

Firebox. . . . . . . . . . . . . .  . . . . .40"x30"x26"
Heat Transfer Area. . . . . . . . . . . 52 sq. ft.
Water Jacket Capacity. . . .. . . . . . .140 gal.
Weight. . . . . . . . . . . . . . . . . . . .1,350 lbs.

 

Classic CL 5036

Door. . . . . . . . .  . . . . . . . . . . . . . 23"x23"

Firebox. . . . . . .  . . . . . . . . . . .50"x36"x30"
Heat Transfer Area. . . . . . . . . . . . 74 sq. ft.
Water Jacket Capacity. . .. . . . . . . .196 gal.
Weight. . . . . . . . . . . . . . . . . . . .1,670 lbs.

(250,000 Max BTU**)

Actual performance from working applications:

  • Very well insulated 2,100 sq. ft. low heat loss home, 24 to 48-hour burn time at 20 to 30 degrees below zero, 4 1/2 cords per year.

  • Well insulated home and garage.  Up to 24 hour burn time.

  • Two well insulated smaller homes, up to 24 hour burn time.

  • Older 1,600 sq. ft., poorly-insulated home with higher heat loss, 12 to 24-hour burn time at 20 to 30 degrees below zero.

  • Southern climates! Up to five day burn time on well insulated home.

  • *Replaces up to 250 gallons of fuel oil per month.

 

 

Classic CL 6048

Door. . . . . . . . . . . .. . . . . . . . . . . 23"x31"

Firebox. . . . . . . . . . . . . . .  . . .60"x48"x36"
Heat Transfer Area. . . . . . . . . . . 119 sq. ft.
Water Jacket Capacity . . . . . . . . . .393 gal.
Weight. . . . . . . . . . . . . . . . . . . .2,450 lbs.

(500,000 Max BTU**)

Actual performance from working applications:

  • Well insulated home, up to 96 hour burn time at 20 to 30 degrees below zero.

  • Well insulated home garage (shop), up to 48 hour burn time.

  • One older home with higher heat loss, up to 72 hour burn time.

  • One older home with higher heat loss and shop, 12 to 24 hour burn time.

  • *Replaces up to 500 gallons of fuel oil per month.

 

Classic CL 7260
 

Door. . . . . . . . . . . . . . . . . . . . . . . 30"x40"

Firebox. . . . . . . . . . . . . . . . . . .72"x60"x40"
Heat Transfer Area. . . . . . . . . . . 170 sq. ft.
Water Jacket Capacity. . . . .  . . . . .750 gal.
Weight. . . . . . . . . . . . . . . . . . . .3,910 lbs.

(For more than residential heating)

Actual performance from working applications:

  • 24,000 sq. ft. assembly building, 12 to 16 hour burn time.
  • Antique shop with warehouse and large home.
  • Greenhouses.
  • Door factory.
  • Multiple homes and swimming pool.
  • Twelve mobile homes, etc.
  • *Replaces up to 1,500 gallons of fuel oil per month.

 

Pallet Burner
 

Door. . . . . . . . . . . . . . . . . . . . . . . . . . . . .54"x50"

Firebox. . . . . . . . .. . . . . . . . . . . . . . . .72"x66"x54"
Water Jacket Capacity. . . . . . . . . . .  . . . . .560 gal.
Weight. . . . . . . . . . . .  . . . . . . . . . . . . . .4,580 lbs.

(*Heating capacity similar to the CL 7260)
(1-year warranty)

The business solution for light commercial or industrial use.
- Performance similar to the 7260 for heating capacity.
- Burns pallets, wood remnants, cord wood, waste packing crate and more.  Forklift or hand-loading.

*Actual performance examples have been relayed to Central Boiler by Central Boiler Classic furnace owners.
**BTU ranges vary widely with different types of wood.



 



* Cement slab foundation optional on these models.

This document also available in Adobe Acrobat PDF format here.
 

 
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