W415-1347 / A / 03.19.15
11
EN
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” (305m) above grade. The maximum allowable vent length is 10’ (3m)
for a fi replace and 8’ (2m) for a stove.
9.1B
30"
(762mm)
MIN
12" (305mm)
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 81 3/4" (2076mm) of
horizontal run with a minimum 19 1/2" (495mm) rise.
38"
(965mm)
20” (508mm)
MAX
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