Monessen Hearth CDV7 manual Minimum Chimney Clearance

CDVSC7 & CDV7 Series Gas Fireplace Venting installation

9.Install storm collar and seal around the pipe.

10.Add additional vent lengths for proper height. Fig- ure 39

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 ceiling joists. If an attic is above ceiling level an Attic Insulation Shield must be installed. The enlarged ends of the vent section always face downward.

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

Typical Roof

FP1184

Figure 38 -

Minimum Chimney Clearance

SupportTypical Ceiling

ApplicationSupport

Application

Figure 37 -

Venting Supports

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 39 -

Roof Flashing

26 69D3011