12
W415-1624 / D / 11.22.16
EN
EN
40 FT (12M)
MAXIMUM
3 FT (1M)
MINIMUM
16" (40.6cm)
MINIMUM
33"
(83.8cm)
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
12"
(30.5cm)
MIN TO
GRADE
3.3
SPECIAL VENT INSTALLATION
3.3.1 PERISCOPE
TERMINATION
33"
(83.8cm)
SINGLE-SIDED OR
SEE-THROUGH
32 1/4" (81.9cm)
MINIMUM
