venting requirements
EN
2.2
special vent installations
2.2.1 periscope termination
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 of 12" (305mm) above grade. The maximum allowable vent length is
10' (3.1m) for a fi replace and 8' (2.4m) for a stove.
WARNING
!
•
Below grade installation maximum
8ft (2.4m) vent length.
•
Use GD201 periscope kit.
•
Horizontal run not to exceed verti-
cal rise.
2.2.2 corner termination
14
W415-2207 / C / 08.23.18
24" (610mm) MIN.
REGARDLESS OF OF
HORIZONTAL VENT
LENGTH
25 5/8"
(651mm)
24" (610mm)
MAX.
12"
(305mm) MIN
TO GRADE
8.2