Osburn 2400 Wood Stove

by Osburn

Some of the Osburn 2400's impressive features include a 3.4 cubic foot firebox; a heating capacity of up to 2,700 square feet; 13.5'' of clearance in the firebox, which can accept logs up to 21'' and a burn time of up to 10 hours in slow combustion mode.

In addition to its impressive performance, this model is environmentally efficient, with emissions as low as 1.6 g/hour (in medium-high) combustion mode.

If you're looking for a large wood stove for your home or weekend cottage, the Osburn 2400 is a perfect choice.

Fuel type : Dry cordwood
Recommended heating area (sq.ft.) : () 1,000 - 2,700
Firebox nominal volume (cu. ft.) : 3.4
Maximum burn time : () 10 h
Maximum heat output (dry cordwood) : (2) 100,000 BTU/h (29.3 kW)
Overall heat output rate (min. to max.) : (2) (3) 13,300 BTU/h (3.9 kW) to 44,100 BTU/h (12.9 kW)
Average overall efficiency (EPA cribs / Douglas fir) :(3) 70.8 % (HHV) (4) 75.0 % (LHV) (5)
Average overall efficiency (dry cordwood) : (3) N.A. (HHV) (4) N.A. (LHV) (5)
Optimum efficiency : (6) (7) 78 %
Average particulate emissions rate : (8) 3.9 g/h
Average CO : (9) 183.3 g/h

(1) Values are as measured per test method, except for the recommended heating area, firebox volume, maximum burn time and maximum heat output.

(2) The maximum heat output (dry cordwood) is based on a loading density varying between 15 lb/ft³ and 20 lb/ft³. Other performances are based on a fuel load prescribed by the standard. The specified loading density varies between 7 lb/ft³ and 12 lb/ft³. The moisture content is between 19% and 25%.

(3) As measured per CSA B415.1-10 stack loss method.

(4) Higher Heating Value of the fuel.

(5) Lower Heating Value of the fuel.

(6) Performances based on a fuel load prescribed by the standard at 7 lb/ft³ and with a moisture content between 19% and 25%.

(7) Optimum overall efficiency at a specific burn rate (LHV).

(8) This appliance is officially tested and certified by an independent agency.

(9) Carbon monoxyde.


High-efficiency EPA certified appliance Yes
Maximum log length 21''
Log positioning Over width
Chimney diameter 6"
Flue outlet diameter 6''
Minimum chimney height (feet) 12'
Baffle type C-Cast
Approved for an alcove installation No
Approved for a mobile home installation Yes
Shipping Weight 513 lb (233 kg)
Door type Single, glass with cast iron frame
Glass type Ceramic glass
Glass surface – dimensions (Width X Height) 19 1/8'' X 8 7/8''
Glass air-wash system Yes
Overall dimension (Height) 33''
Overall dimension (Width) 30''
Overall dimension (Depth) 30 5/8''
Door opening – dimension (Height) 8''
Door opening - dimension (Width) 19 1/2''
Firebox – dimension (Height) 13 1/2''
Firebox – dimension (Width) 22 1/2''
Firebox – dimension (Depth) 19 3/8''
Firebox lined with refractory bricks for better heat distribution Yes
Stainless-steel secondary-air system improving gas combustion Yes
Model Pedestal
Steel thickness – body 3/16"
Steel thickness – top 5/16"
Easy-to-access ash drawer Yes
USA standard (emissions) EPA Method 28
Canadian Standard (emissions) CSA B415.1-10
USA standard (safety) UL 1482
Canadian standard (safety) ULC S627
Tested and listed as per applicable standards By an accredited laboratory (CAN/USA)
Warranty Limited lifetime
Minimum clearances to combustibles* 
(Data expressed in inches. 1 inch = 25.4 mm)
  Canada United-States
  Single wall pipe Double wall pipe Single wall pipe Double wall pipe
Clearance – back wall 14'' 7'' 16'' 12''
Clearance – placed in a corner 8'' 7'' 12'' 7''
Clearance – side wall 17'' 15'' 18'' 17''
Clearance – top (measured from the platform on which the appliance is installed)** 84'' 84'' 84'' 84''
* The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner's manual, catalogues, flyers, magazines and/or web sites).
** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual.
Osburn 2400 Installation & User Manual
Osburn 2400 Dimensions

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