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Furnace Combustion Air Exhaust Options
Note: Default is left side for electric and gas connections.
The following sections give instructions for the
different furnace orientations and the options for
venting the exhaust combustion air.
Table 7. Venting Options for Upflow Applications
Refer to the illustrations below to find the approved venting options for upflow furnace.
Important: The exhaust must be vented to the outdoors.
Vented out top.
Vented through right side.
18-CE16D1-1B-EN
I I m m p p o o r r t t a a n n t t : : When looking at the different orientations,
Upflow Orientation or Installation
the direction of the combustion air exhaust
in the illustration's description is after the
furnace has been rotated, if needed.
Vented through left side.
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