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9
Radiance Direct Vent Gas Heater
20012697
Vent Termination Clearances
Your stove is approved to be vented either through the
side wall, or vertical through the roof.
• CFM Corporation does not require any opening
for inspection of vent pipe.
• Only CFM Corporation, Simpson DuraVent and
Selkirk Corporation venting components specifi-
cally approved and labelled for this stove may be
used.
• Minimum clearances between vent pipes and
combustible materials is one (1”) inch (25 mm),
except where stated otherwise.
• Venting terminals shall not be recessed into a wall or
siding.
• Horizontal venting must be installed on a level plane
without an inclining or declining slope.
There must not be any obstruction such as bushes,
garden sheds, fences, decks or utility buildings within
24” from the front of the termination hood.
Do not locate termination hood where excessive snow
or ice build up may occur. Be sure to check vent termi-
nation area after snow falls, and clear to prevent ac-
cidental blockage of venting system. When using snow
blowers, make sure snow is not directed towards vent
termination area.
Location of Vent Termination
It is imperative the vent termination be located observ-
ing the minimum clearances as shown on this page.
When planning the installation, consider the location
of the vent terminal and clearances. Some of the most
common clearances to keep in mind are shown in Figure
11.
Important: All vent clearances must be maintained.
Check your vent termination clearances against
Figures 11 through 13.
The vent should be placed so that people cannot be
burned by accidentally touching the vent surfaces when
the stove is operating.
The vent termination should be located where it cannot
be damaged by such things as automobile doors, lawn
mowers or snowblowers and it should be located away
from areas where it could become blocked by snow,
etc.
Some considerations are:
• Obstructions or impediments to venting.
• Nearby combustible materials that could come into
contact with combustion exhaust gases.
• Other nearby openings {within 12” (305 mm)}
through which exhaust gas could reenter the build-
ing.
• All vegetation within 3’ (76 mm) that may interfere
with the draft.
Other factors that influence where the installation will
be sited include the location of outside walls, where
additional heat may be desired in the home, where the
family members gather most regularly, and perhaps
most importantly, the distance limitations of the venting
system.
IMPORTANT
• The horizontal termination must not be recessed
into the exterior wall or siding.
• Horizontal vent runs must be level toward the
vent termination.
• Clearances around the vent termination must be
maintained.
• For installations using Simpson DuraVent pipe,
parallel installations with minimum wall clearance
have restricted access for connecting the Hori-
zontal Vent Cap straps to the vent pipe. See the
maker’s instructions for recommended installa-
tion procedures.