Vent Pipe Clearances - Vermont Castings 33CFDV(N/P)(V/I)SB Installation And Operating Instructions Manual

VENTING INSTALLATION

VENT PIPE CLEARANCES

A Minimum of 3" (76 mm)
Clearance to the Top Is
Required Along Horizontal
Length until Flue Pipe
Penetrates Outside Wall.
Rear Vent
Figure 22 –
Combustible Clearances for Vent Pipe
Rear Wall Vent: Horizontal sections of this
vent system require a minimum of 3" (76
mm) clearances to combustibles at the top
of the fl ue and 1" (25 mm) clearance at the
sides and bottom until the fl ue penetrates
the outside wall. A minimum 1" clearance
all around the fl ue is acceptable at this point
of penetration.
20306739
A Minimum 1" (25
mm) Clearance
to Combustibles
Permitted All Around
Flue at Outside Wall
1 "
3 "
1 "
1 "
FP3017
A Minimum of 3" (76
mm) Clearance to the
Top Is Required Along
Horizontal Length until
Flue Pipe Penetrates
Outside Wall.
Top Vent
Rear/Top Vent Vertical Side wall: Horizontal
sections of this vent system require a
minimum of 3" (76 mm) clearances to
combustibles at the top of the fl ue and 1"
(25 mm) clearance at the sides and bottom
until the fl ue penetrates the outside wall. A
minimum 1" clearance all around the fl ue
is acceptable at this point of penetration. If
1
vertical rise is 7
top venting, the clearance to combustibles
is 1" on all sides of the horizontal run.
All vertical sections of this vent system
require a minimum of 1" (25 mm) clearance
to combustibles on all sides of the pipe.
CFDV Series Gas Fireplace
A Minimum 1" (25
mm) Clearance
to Combustibles
Permitted All Around
Flue at Outside Wall
1 "
3 "
1 "
1 "
FP3018
/ feet (2.3 m) or higher when
2
17