Heat & Glo Gas Fireplace CFX-Crescent Owner's Manual page 16

16
Total H (Horizontal run) = 50 feet maximum.
Total V (Vertical run) = 46 feet maximum.
Any combination in between would be applicable.
Figure 8. Venting with eight (8) 90° Elbows
Unit could have up to eight elbows off the top, with a maximum of 50 feet hori-
zontal before any vertical, however, a vertical run of 46 feet maximum could be
introduced at any point of the horizontal run and even right off the top of the unit.
Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07
40 FT
MAXIMUM
COMBUSTION
AIR DUCT
COMBUSTION
AIR DUCT
18 FT
MAXIMUM
40 FT
MAXIMUM