3 ft min. from top of uppermost chimney section to air inlet.
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Figure 7.3 Possible Outside Air Inlet Locations
NO | NO |
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Garage or | NO | |
Outlet blocked by | combustible | |
snow, leaves, etc. | liquids storage | Attic space |
NO
Outlet placed
higher than 3 ft
below the
termination cap
YES | ||
Clear area | ||
fireplace | ||
outside | ||
| ||
house or in |
| |
ventilated | Use only duct materials specified by manufacturer (preferably | |
crawl space | ||
| with short run or mainly straight duct, except small dip for cold | |
| air trap which will help prevent flow of cold air). |
Figure 7.4 Outside Combustion Air Placement
22 | Heat & Glo • |
