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HBDV7 Series Direct Vent Gas Fireplace
54D8000
3
10. Add additional vent lengths for proper height. Figure
41
11. Apply high temperature sealant to 4” and 7” collars of
vertical vent termination and install.
If there is a room above ceiling level, fire stop spacer must
be installed on both the bottom ad the top side of the ceil-
ing joists. If an attic is above ceiling level an Attic Insula-
tion Shield must be installed. The enlarged ends of the
vent section always face downward.
FP1184
Typical roof/ceiling
support apps.
FP1184
Figure 39 -
Venting Supports
2 ft.
Min.
2 ft. Min.
X
12
H*
FP1971
Min chimney clearance
Termination
Vent
Storm Collar
Flashing
Lowest
Discharge
Opening
Concentric
Vent Pipe
1” Minimum Clearance to
Combustibles
FP1971
Horizontal Overhang
Figure 40 -
Minimum Chimney Clearance
Flat to 6/1 1.0
Over 6/1 to 7/1 1.5
Over 7/1 to 8/1 1.5
Over 8/1 to 9/1 .0
Over 9/1 to 10/1 .5
Over 10/1 to 11/1 3.5
Over 11/1 to 1/1 4.0
*H - Minimum height from roof to
lowest discharge opening of vent
TWL101a
Twist Lock Pipe
2/8/99 djt
3 #5 Sheet Metal
Screws per Joint
Sealant
Storm Collar
TWL101a
Figure 41 -
Roof Flashing