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A - Termination collar
B - 90° elbow
C - Wall band
D - Vent
E - Tee
Venting: termination requirements
In determining optimum vent termination, carefully evaluate external conditions especially
when venting directly through a wall. Since you must deal with odors, gases, and fly ash,
consider aesthetics, prevailing winds, distances from air inlets and combustibles, location of
adjacent structures and any code requirements.
• Exhaust must terminate above combustion air inlet elevation.
• Do not terminate vent in any enclosed or semi-enclosed area, (i.e. Carports, garage, attic
crawl space, etc.) or any location that can build up a concentration of fumes.
• Terminals must not to be recessed in to a wall or siding.
• When setting into place flue caps you should consider wind factors such as dominate wind
directions and currents in order to avoid down draft, fly ash and/or smoke.
EN
Fig. 17
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