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Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Inside Corner
A
V
Balcony -
with no side wall
G
G =
Combustible &
Noncombustible
12"(305mm)
Fig. 12 Termination clearances.
SK8 Venting Pipes
Canadian Installations:
The venting system must be installed in accordance
with the current CSA-B149 .1 installation code.
USA Installations:
The venting system must conform with local codes
and/or the current National Fuel Gas code ANSI
Z223.1/NFPA 54.
Only venting components manufactured by CFM
Corporation can be used in Direct Vent systems.
NOTE: The joints of the inner pipe (flue pipe) must be
taped with 550°F or higher temperature metal adhesive
tape that meets the requirements of F.A.R. 25.853(a).
High temperature sealant milpack or stove cement of
550°F or higher could be used instead. The joints of
The outer pipe (fresh air pipe) must be taped with
315°F or higher temperature metal adhesive tape or
the use of high temperature milpack or stove cement
would be applicable. When using the unitized 30°, 45°
or 90° elbows, apply 1/4" bead of high temperature,
20007172
Outside Corner
A =
Combustible
6"(152mm)
V
Noncombustible
2"(50mm)
Balcony -
with perpendicular side wall
V
Combustible &
Noncombustible
H = 24"(610mm)
J = 20"(508mm)
General Information Assembling Vent Pipes
Chateau
B =
Combustible
6"(152mm)
Noncombustible
2"(50mm)
B
H
V
J
550°F or higher, sealant (milpack or stove cement) to
the joint of the inner pipe (flue pipe) and the straight
section as it is impossible to be taped. The outer pipe
must be taped with 315°F high temperature metal
adhesive tape for proper sealing.
Start by attaching the first vent pipe section to the
collar on top of the fireplace. In order to attach the first
pipe section, it may be necessary to remove the top
shield. Remove four (4) screws securing top shield,
install first pipe section and replace top shield.
Install the pipe as shown in Figure 14. When you get a
good lock, you will hear the pipe clearly snap together.
Once sections are snap-locked in place, it is extremely
difficult to get them apart. Make sure the pipe is firmly
snapped and locked together as each pipe section is
mounted.
When installing elbows, follow the same procedure.
The joints of inner and outer elbow must be taped with
UL approved high temperature metal adhesive tape for
proper sealing. Be sure to always attach straps on
Decorative Gas Appliance
™
Recessed Location
D
C
C
E
V
C = Maximum depth of 48"
(1219mm) for recessed
location.
D = Minimum width for back wall
of a recessed location.
Combustible 38"(965mm)
Noncombustible 24"(610mm)
E = Clearance from corner in
recessed location.
Combustible 6"(152mm)
Noncombustible 2"(50mm)
584-15
11
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