Hearth and Home Technologies A36C, A36CH, A42C, A42CH 3 ft min. from top of uppermost chimney section to air inlet.

22
Outlet placed
higher than 3 ft
below the
termination cap
Attic space
Garage or
combustible
liquids storage
Outlet blocked by
snow, leaves, etc.
Clear area
outside
house or in
ventilated
crawl space
YES
NO
NO
NO
NO
Factory-built
fireplace
Figure 7.4 Outside Combustion Air Placement
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3 ft min. from
top of uppermost
chimney section
to air inlet.
Heatilator • A36C & A42C • 28396 • Rev AG • 11/08
Figure 7.3 Possible Outside Air Inlet Locations
Note: Chimney air kit
not shown, but required
in Canada.