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W415-2197 / 12.05.16
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” (30.5cm) above grade. The maximum allowable vent length is 10’ (3m)
for a fi replace and 8’ (2m) for a stove.
9.1B
30"
(76.2cm)
MIN
12" (30.5cm)
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" (50.8cm) of
horizontal run with a minimum 19 1/2" (49.5cm) rise.
38"
(96.5cm)
20” (508mm)
MAX
MAX.
20”
(50.8cm)
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