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the length of the measurement increases. Once this measurement reaches 10 feet, this height on the chimney is your base height. The
chimney must be 2 feet taller than the base height. If the chimney is closer than 10 feet from the peak of the roof, the chimney must be 2
feet higher than the peak of the roof. The 2 feet above the base height does not include the cap. The furnace must be placed on a level,
non-combustible surface or 4 foot x 8 foot concrete pad. Do not level from top of furnace. The front is 1/2” taller than the back for water
run off. See diagram below.
By definition, “Class A” refers to either a lined masonry chimney or all fuel factory-built chimney. Although experts have expressed
differing opinions as to which system is the best, it is a matter of what you find most suitable. Regardless of your choice of chimney type,
a minimum 6-inch diameter chimney is needed. In order to create the most efficient draft, the chimney size should not exceed 12 inches,
with a maximum .08-inch water column draft. The flue draft can be measured with the use of a draft gage or manometer.
Wood Storage and Care:
KEEP WOOD COVERED AT ALL TIMES. This cannot be over emphasized. Wood stored/stacked, uncovered, exposed to rain and
snow has a higher moisture content, causing the formation of creosote, excess smoke, and it takes longer to ignite as well as producing
poorer fires with lower sustained BTU output. Unseasoned wood ends up costing more in time trying to achieve and maintain proper
temperatures in the firebox, while using more wood with less heat output. Covering the woodpile will keep it dry and offer you the hottest
fires with the greatest BTU output. If you store the wood near your furnace, be sure to maintain proper clearance from the furnace to
prevent a fire hazard. DRY WOOD WILL PRODUCE HOTTER FIRES AND INCREASE BTU OUTPUT.
IMPORTANT: FOR TECHNICAL SUPPORT OR CUSTOMER SERVICE
ISSUES, DO NOT RETURN TO THE DEALER (THE DEALER DOES NOT HAVE
REPLACEMENT PARTS), CALL FIRE CHIEF AT 1-800-875-4788.
Furnace
Installation
• Installation is to be performed by a qualified installer.
• Always consult local building inspectors for codes concerning the installation of your furnace.
• Always have access to a backup generator, 2000 watt minimum.
• Use Class “A” HT 2100 All Fuel 6 Inch Chimney for your Fire Chief Furnace.
• Never use galvanized pipe in your flue connection.
• Inspect the flue periodically for structural integrity.
10 FEET
2 FEET MINIMUM
4' X 8'
LEVEL CONCRETE PAD
10 Feet
2 Foot Minimum
4’ x 8’
Level Concrete Pad
Summary of Contents for FCOS1800D
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