The Blaze King King 40 is built for serious wood burners, with an 81% efficient catalytic design and a huge 4.35 cu ft firebox that holds up to 80 lbs of wood. It can burn for 40+ hours on low or put out strong heat for 12 to 16 hours, which suits larger homes and colder climates.
Specifications
Fuel Type: Wood (cordwood)
Max Heat Output: Up to 57,000 BTU
Efficiency: 81% (as listed by EPA)
Heat Output on High: 47,809 BTU/hr for up to 10 hours
Heat Output on Low: 14,313 BTU/hr for up to 30 hours
Max Burn Time: Up to 40 hours on low
Average Heating Time: 10 to 20 hours
Firebox Volume: 4.35 cu ft (up to 80 lbs of wood)
Flue Diameter: 8"
Emissions: 1.1 g/hr particulate; 0.71 g/min CO (weighted average)
Clearances
Minimum clearances to combustibles from the installation manual (Canadian installation, unprotected walls, measured to the stove body; in Canada single-wall connector pipe needs 18" to combustibles, so a listed double-wall connector is normally used). Always confirm with the manual and local code before installing.
Back wall: 6"
Side wall: 10"
Corner: 4"
Top of stove to ceiling: 48 1/8"
Floor protection (front): 18" in front of loading door
