Energy King Bio-King BK140 corn and wood pellet furnace

Energy King's Bio-King™ Model BK140 Corn & Wood Pellet Furnace features a 12ga firebox with over 24 square feet of heat transfer area, with an additional 11 square feet of heat transfer area in the 20-tube heat exchanger system. Each of the 20 heat exchanger tubes is 20" long and has a diameter of 2.25". The 1800 CFM, 3-speed circulation blower forces air on all sides of the firebox, through the heat exchanger tubes, then into your home's heating system, keeping the unit as efficient as possible and extracting as much heat as possible from your fuel.

Furnace dimensions (H × W × D): 50" × 26" × 44"

Furnace weight: 625 lbs.

Galvanized hopper (sloped bottom): Standard

Hopper dimensions (H × W × D): 48" × 30" × 44"

Hopper weight: 145 lbs.

Hopper capacity: 12 bushels / 672 lbs

Heating capacity: 30,000 - 140,000 BTU per hour

Blower capacity: 1800 CFM (3-Speed)

Cast iron furnace door: 12" × 11"

Cast iron ash door: 10" × 5"

Removable ash pan: Standard

Heat exchangerS Standard