18-CE04D1-1D-EN
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Table 12. Venting Options for Downflow Applications
Refer to the illustrations below to find the approved venting options for downflow furnace models.
Important: The combustion air exhaust must be vented to the outdoors.
Downflow Orientation or Installation
Vented out top.
Note: Requires kit BAYVENT600. Kit used with B, C, and D cabinets
only.
Note: “A” cabinet furnaces must be vented through the left of right
side openings.
Note: 4” Type B double wall vent pipe must be used inside of the
furnace cabinet.
Vented through left side.
Vented through right side.
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