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Section 3-3-1: Venting Layout: Wall mounted termi-
nation
Selection of components and details of venting layout should
adhere to the following guidelines:
Vent terminations must not be recessed in walls or siding.
„
For Heat Shield requirements see Section 3-3-3.
„
Once the proposed venting layout has been determined
„
refer to Figure 12 or 13 to ensure the layout is acceptable.
Notes Wall Mounted Terminations: TOP VENT
All measurements for vertical or horizontal runs are
„
measured from center of the vent pipe.
Venting runs must fall within the limits set by the venting
„
graph, see Figure 12.
Wall mounted Terminations
The following details are some possible configurations for Wall
mounted terminations.
The Venting Graph: L38DF-ST*
Measure the vertical height from the fireplace hearth to the centre
of the termination and the horizontal run from the fireplace flue
collar to the wall flange of the termination. Plot on the Venting
Graph Figure 12 with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
Example A: (Acceptable Installation)
If the vertical dimension from the hearth is 96" and the horizontal
run to the wall flange of the vent termination is 72", this would
be an acceptable installation.
Example B: (Acceptable Installation)
If the vertical dimension from the hearth is 60" and the horizontal
run to the wall flange of the vent termination is 144", this would
be an acceptable installation.
Example C: (Unacceptable Installation)
If the vertical dimension from the floor of the fireplace is 48"
and the horizontal run to the wall flange of the vent termination
is 108", this would NOT be an acceptable installation.
XG0810 - 151126
Installation
Unacceptable vent run
within shaded area.
Figure 12. L38DF-ST* Top Vent Venting Graph for wall mounted
terminations.
Figure 12a. Top Vented, wall mounted installation with 1 elbow. The
vent run must comply with Venting Graph for Top vent,
wall mounted terminations, Figure 11.
Figure 12b. Top Vented, wall mounted Multi-elbow installation. See
Venting Graph for Top vent, wall mounted terminations,
Figure 12.
L38DF-ST* Indoor Gas Fireplace
Acceptable vent run
within non-shaded area.
A
C
B
42"
If your installation does not fall within
the venting parameters, contact a
36"
local Montigo dealer for Power
Venting options.
36" max.
150" Max.
Solid Section
Flex Section
Hearth
Heat Shield
42
Min.
Heat
Shield
Termination
Exterior
Wall
Page 13
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