11
W415-1539 / A / 04.19.16
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
12"
(305MM)
MIN TO
GRADE
3.3
SPECIAL VENT INSTALLATION
3.3.1 PERISCOPE
TERMINATION
33"
(838MM)
24" (610MM)
MINIMUM