Overhead fan
operating?
Figure 55.1 Factory-built Fireplaces: Troubleshooting
November 11, 2008
Another appliance in
home also exhausting
air (furnace, fan,
Unsealed
dryer, etc.)?
can lights?
Air register from
furnace near
fireplace?
Doors opening
and closing?
Window closed
Combustion
for start-up?
air control
Heatilator • Constitution EPA Fireplace • 480-1091C
Overhanging
tree?
Bird's nest
or leaves in
termination
cap?
Structural
changes in
chimney area?
Creosote buildup
in flue?
Outside air
closed?
Page 55