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Flush Mount Side Wall Termination
Figure 31
6. On field supplied terminations, a minimum distance
between the end of the exhaust pipe and the end of
the intake pipe without a termination elbow is 8" and a
minimum distance of 6" with a termination elbow. See
Figures 33 and 34.
7. If intake and exhaust piping must be run up a side wall to
position above snow accumulation or other obstructions,
piping must be supported every 24" (610 mm) as shown
in Figures 33 and 34.
When exhaust and intake piping must be run up an
outside wall, the exhaust piping must be terminated
with pipe sized per Table 9. The intake piping may be
equipped with a 90° elbow turndown. Using turndown
will add 5 feet (1.5 m) to the equivalent length of the
pipe.
8. Based on the recommendation of the manufacturer, a
multiple furnace installation may use a group of up to
four terminations assembled together horizontally, as
shown in Figure 37
Page 26 of 58
Issue 1621
507052-04
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