The 1802g add on furnace is designed to use in conjunction with your existing HVAC ductwork and work seamlessly with your existing furnace. With twin 800 CFM blowers and up to 218,000btu’s it is designed to heat a home up to 3600 sq. ft. This unit is made with a firebrick lined plate steel firebox surrounded by green powder coated steel giving the unit an eye appealing look. Connection to your existing ductwork is easy with the 18” x 18” heat outlet. Available accessories include the Universal filter box Kit and Hot Water Coil kit.
Capacities Amounts
Fuel Wood/Coal
Heating Capacity 2,400 – 3,600 Sq. Ft.
Coal Capacity 180 lbs.
Log Length 35″
BTU Range 81,993 – 218,648
Depth w/blower 55″
Depth w/o blower 44.5″
Width 26.5″
Height 52.75″
Weight 770 lbs.

Installation materials are NOT included (i.e. floor protector, chimney connector, thimble, radiation shield, flue, heat duct, return air duct, etc.)
Twin 800 CFM blowers provide redundancy and large amounts of air flow
8″ flue collar
18″ x 18″ heat outlet
Secondary heat exchanger with firebrick baffle for extra long life
Return air required
Firebrick lined firebox to boost efficiency and heating capacity
Separate ash door with removable dump pan
Extra-heavy duty cast iron doors, grates, and liners
Removable/replacable shaker grates (handle included)
Firebox dimensions: width: 18 1/2″, depth: 36″, height: 24 1/2″
Not approved for use in mobile or modular homes
Not available for sale in WA and CA
UPC: 012685189994