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Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07
15
Figure 7. Straight Up Vertical Venting
STRAIGHT UP
VERTICAL VENTING
V (FT.)
46' MAX. (14M)
The combustion air duct on the right side of the unit can run
horizontally or elbow upward 46 feet long. This duct can
elbow down to a maximum of 18 feet.
Figure 6. Unit with duct collar.
COMBUSTION
DUCT COLLAR
FOR
AK-CFX AIR KIT
CAP
V