Us Stove 1500 Coal Burning Furnace, Cast Iron, 139000 Btu Hammer Handles & Wedges Maximum Duct Height: 4"

Maximum Duct Height: 4"

Quick Change Mandrel (1-1/4" to 6")

Faded antique finish

Glycol ether : None

Corrugated stainless steel tubing

Us Stove 1500 Coal Burning Furnace, Cast Iron, 139000 Btu Hammer Handles & Wedges Maximum Duct Height: 4"With twin 550 CFM blowers and up to 139,000 BTUs, the 1500 will heat a home up to 2,500 sq. ft. This furnace is designed to use in conjunction with your existing HVAC ductwork and work side by side with your existing furnace. Connection to your existing ductwork is easy with the two 8 diameter heat outlets. Available accessories include the draft inducer kit and universal filter box. Highlights: 6" flue collar Overall efficiency: 65% Dual 8" diameter