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Heat Commander Furnace Installation and Operation Manual
59
10 Maintaining your wood heating system
10.1 Furnace maintenance
Your new furnace will give many years of reliable service if you use and maintain it correctly.
Some of the internal components of the firebox, such as firebricks, baffles and air tubes, will
wear over time under intense heat. You should always replace defective parts with original
parts (see Section 12: Exploded diagram and parts list). For firing each load hot to begin
a cycle as described above will not cause premature deterioration of the furnace. However,
if the thermostat always calls for heat it can cause damage over time. The more the furnace
overheats during combustion cycles, the faster its elements will deteriorate. For that reason,
never leave the furnace unattended while a new load is being fired hot.
Recommended Maintenance Scheduled
Use this as a guide when used under average conditions.
Components
Weekly
or after
± 1/3 Face
cord
Monthly
± 1 Face cord
Annually
or
± 3 Face cord
Glass
Inspect and
Clean*
Combustion Chamber
Empty /
Vacuum*
Inspect
Ash drawer
Empty*
Air filter (If applicable)
Clean or replace every
three months
Firebricks
Inspect
Baffle
Inspect
Air tube
Inspect
Heat Exchanger
Inspect, Sweep and Clean*
Door tightness
Inspect and adjust or
replace gasket if necessary
Thermocouples
Inspect and Clean
Chimney
Sweep and Clean if
necessary*
Blower
Clean
Face cord; 4’X8’X16’’ (≈42 cubic feet)
*Cleaning frequency may vary depending on the type of fuel used. Fuel with higher ash
content will increase cleaning frequency.
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