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

 

Figure 39 -

Application

 

Venting Supports

 

Horizontal Overhang

 

2 ft.

 

 

 

2 ft. Min.

 

 

 

 

 

Min.

 

 

 

 

 

 

 

 

 

 

 

Lowest

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Discharge

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Opening

 

 

 

Termination

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vent

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

H*

 

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Storm Collar

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FP1971

Flashing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

*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

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Monessen Hearth HBDV300N/PSC7, HBDV300N/PV7, HBDV400N/PSC7, HBDV400N/PV7 manual Roof Flashing