Monessen Hearth CDVR33N/PV7 User Manual
74D3000
15
BLDV7 Series Gas Fireplace
Vent InStaLLatIon
w
arn
In
G
horizontal sections of this vent system require a minimum of 3" clearances
to combustibles at the top of the flue and 1" clearance at the sides and
bottom until the flue penetrates the outside wall. a minimum 1" clearance
all around the flue is acceptable at this point of penetration.
If the vertical rise is 7
to combustibles at the top of the flue and 1" clearance at the sides and
bottom until the flue penetrates the outside wall. a minimum 1" clearance
all around the flue is acceptable at this point of penetration.
If the vertical rise is 7
1
/
2
ft. or more, only a 1" clearance is needed on top
of any horizontal run.
Vertical sections of this vent system require a minimum of 1" clearance to
combustibles on all sides of the pipe.
Vertical sections of this vent system require a minimum of 1" clearance to
combustibles on all sides of the pipe.
Figure 11 -
Combustible
Clearances for Vent
Pipe
Combustible
Clearances for Vent
Pipe
12”
1”
1”
3”
FP2338
min. vent clear
min. vent clear
A minimum of 3" clearance
to the top is required along
horizontal length until flue
pipe penetrates outside
wall.
to the top is required along
horizontal length until flue
pipe penetrates outside
wall.
A minimum 1" clearance
t o c o m b u s t i b l e s
permitted all around
flue at outside wall
t o c o m b u s t i b l e s
permitted all around
flue at outside wall
Vertical Rise Required
Before Horizontal Run
Before Horizontal Run
FP338