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To Use the Vent Graph (Figure 21)
1.
Determine the height of the center of the horizontal vent pipe.
Using this dimension on the Sidewall Vent Graph, locate the
point it intersects with the slanted graph line.
2.
From the point of this intersection, draw a vertical line to the
bottom of the graph.
3.
Select the indicated dimension, and position the unit in
accordance with same.
EXAMPLE A:
EXAMPLE B:
feet.
SPECIAL NOTE: For each 45 degree elbow installed in the
horizontal run, the length of the horizontal run MUST be reduced
by 18" (457 mm). This does not apply if the 45 degree elbows
for every 90° elbow.
Example: According to the chart the maximum horizontal vent
The maximum number of 45 degree elbows permitted per side
wall installation is two (2). These elbows can be installed in either
the vertical or horizontal run.
Note:
Page 18
VENTING FIREPLACE - TOP
Venting Graph (Dimensions in Feet)
Acceptable vertical and horizontal vent run.
Unacceptable vertical and horizontal vent run.
Figure 21
29354-1-1012
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