The 1600EF Exterior Furnace is designed to use in conjunction with your existing HVAC ductwork and work seamlessly with your existing furnace while leaving the mess to the great outdoors. With up to 180,000 btu’s it is designed to heat a home up to 3000 sq. ft. This unit is made with a firebrick and cast iron lined firebox surrounded by powder coated all weather steel shell that is over lapped for a tighter weather seal. Connection to your existing ductwork is easy with the 10” heat outlet and 12” supply.

• Installation materials are NOT included (i.e. floor protector, chimney connector, thimble, radiation shield, flue, heat duct, return air duct, etc.)
• Massive 1,800 CFM blower
• 6" flue collar
• 10" diameter heat outlet
• 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
• Secondary heat exchanger with firebrick baffle for extra long live
• Manual damper system allows fine tuning for maximum efficiency
• Chimney adapter kit sold separately
• Removable/replaceable shaker grates (handle included)
• Firebox dimensions: width: 18 1/2", depth: 29 3/4", height: 24 1/2"
• Durable painted exterior
• Not approved for use in mobile or modular homes
• Not available for sale in WA and CA