11
W415-0889 / A / 08.11.10
Use the periscope kit to locate the air termination above grade. The periscope must
be installed so that when
fi
nal grading is completed, the bottom air slot is located a
minimum 12” above grade. The maximum allowable vent length is 10’.
9.1
30” MIN
12” MIN TO
GRADE
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
3.3.2 CORNER TERMINATION
The maximum vent length for a corner installation is 20” of horizontal run
with a minimum 24” rise.
38”
20”
MAX
Содержание CHDX40NT
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