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21
Initial Installation
24" (610mm)
Maximum
Horizontal
24" (610mm)
Minimum
Vertical
Inside
Finished
Collar
Wall
Thimble
Horizontal
Vent
Termination
Exterior
Wall Surface
Insulation
Interior Wall
Surface
If installed on a
carpeted surface
a hearth is required
Interior
Wall Surface
2.5"
(64mm)
Inside
Finished
Collar
Horizontal
Vent Section
Exterior
Wall Surface
Horizontal
Vent
Termination
Wall
Thimble
Insulation
If installed on a
carpeted surface
a hearth is required
NOTES:
(1) The horizontal run of vent pipe must
be level and should have a ” rise
for every one foot of run towards
the termination. Never allow the
vent to run downward. This could cause
high temperature and may present the
possibility of a re.
(2) The location of the horizontal vent
termination on the exterior wall must not
be easily blocked or obstructed. Refer
to INITIAL INSTALLATION - VENT TERMINATION
RESTRICTIONS.
(3) When installing a vent pipe in a chase
the minimum clearance to combustibles
is 2” (51 mm).
NOTE: Vent pipe must not be longer
than 18” (457 mm) maximum when
installing straight through exterior wall.
Maintain manufacturer’s clearances to
combustibles with venting.
Vent may extend between 6” (152 mm)
and 18” (457 mm) maximum straight
out.
When installing this unit in a corner the
maximum distance after 45˚ elbow is 9”
(228 mm).
If between 9” (229 mm) and 24” (610
mm), a 14” (356 mm) snorkel must be
used.
Figure 26: Straight Through Wall Installation.
Figure 27: Up Then Through Wall Installation.