
VENTING INSTALLATION | HBDV7 Series Direct Vent Gas Fireplace |
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.
Typical Roof | FP1184 | |
Support | Typical Ceiling | |
Application | ||
Support | ||
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Figure 39 - | Application | |
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Venting Supports |
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Horizontal Overhang
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Termination |
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Vent |
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Storm Collar |
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Flashing |
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1” Minimum Clearance to
Combustibles
Concentric
Vent Pipe
Figure 40 -
Minimum Chimney Clearance
Roof Pitch | H (feet) |
Flat to 6/12 | 1.0 |
Over 6/12 to 7/12 | 1.25 |
Over 7/12 to 8/12 | 1.5 |
Over 8/12 to 9/12 | 2.0 |
Over 9/12 to 10/12 | 2.5 |
Over 10/12 to 11/12 | 3.25 |
Over 11/12 to 12/12 | 4.0 |
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*H - Minimum height from roof to lowest discharge opening of vent
3 #5 Sheet Metal Screws per Joint
Sealant
Storm Collar
TWL101a
Figure 41 -
Roof Flashing
54D8000 | 23 |