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Central Boiler Classic Wood Furnaces

Axmen has been an authorized Central Boiler dealer since 2002.

As the outdoor wood furnace that set the standard for quality and revolutionized the industry, the Classic is the perfect choice for heating your business, shop, barn and more.

In the U.S., this model of Central Boiler is for non-residential applications only.

E-mail Steve for more information:

Classic Features:

  1. Vent Cap - design eliminates evaporation.
  2. High Capacity Water Jacket - tested multiple times to ensure welding integrity.
  3. Ripple Top Design - for increased heat transfer area and lower maintenance.
  4. Large, Insulated Cast Iron Door - ergonomically designed with a large door for easy loading. Door is insulated for maximum efficiency. Door parts are powder-coated for increased paint durability.
  5. Automatic Draft Control - thermostatically controls the system water temperature.
  6. Skid Base Framework - makes installation easy with or without cement foundation. Only the CL 7260 and Pallet Burner require a slab.
  7. Welded Steel Framework - heavy-gauge framework engineered for enhanced strength of side panels and roof.
  8. Insulated Chimney - the chimney is a Type HT listed, factory-built chimney for wood-burning appliances. Two 4-foot chimney sections are standard.
  9. Rear Exhaust Outlet - increases efficiency and eliminates leaks and corrosion that competitors experience from chimneys that exit through the roof. Designed for easy inspection. Reduces heat loss by over 50%.
  10. Water-Filled HeatLock Baffle™ - creates secondary combustion area and traps heat in the firebox. Will not warp or burn out with extreme heat.
  11. Urethane Foam Insulation - insulation is sprayed on and forms a 100% airtight seal around the water jacket.
  12. Rectangular Firebox - engineered with stay pins. Will not collapse like round designs can.
  13. Ash Pan - 3/8" thick, formed ash pan is durable and easy to clean.

Central Boiler - Classic CL 4030

  • Door - 20"W x 20"H
  • Firebox - 40"L x 30"H x 26"W
  • Heat Transfer Area - 52 sq ft
  • Weight - 1,350 lbs
  • Water Capacity - 140 gal.

Central Boiler - Classic CL 5036

  • Door - 23"W x 23"H
  • Firebox - 50"L x 36"H x 30"W
  • Heat Transfer Area - 74 sq ft
  • Weight - 1,670 lbs
  • Water Capacity - 196 gal.

Central Boiler - Classic CL 6048

  • Door - 23"W x 31"H
  • Firebox - 60"L x 48"H x 36"W
  • Heat Transfer Area - 119 sq ft
  • Weight - 2,450 lbs
  • Water Capacity - 393 gal.

Central Boiler - Classic CL 7260

  • Door - 30"W x 40"H
  • Firebox - 72"L x 60"H x 40"W
  • Heat Transfer Area - 170 sq ft
  • Weight - 3,910 lbs
  • Water Capacity - 764 gal.

Central Boiler - Classic Pallet Burner

  • Door - 20"W x 20"H
  • Firebox - 40"L x 30"H x 26"W
  • Heat Transfer Area - 52 sq ft
  • Weight - 1,350 lbs
  • Water Capacity - 140 gal.
  • Eliminates expensive disposal costs of scrap wood.
  • Efficient heat recovery from disposal of pallets, crating material, wood remnants or cord wood.
  • Loads easily with a forklift or by hand.
  • Provides high capacity water heating.
  • Heats multiple buildings, kilns, greenhouses and swimming pools.
  • Works well with existing heating systems.
  • Can be located up to 500 feet from buildings.


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