Installation Manual

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” (304.8mm) above grade. The maximum allowable vent length
is 10’ (3.1m) for a fi replace and 8’ (2.4m) for a stove.
9.5B
3.2 SPECIAL VENT INSTALLATIONS
3.2.1 PERISCOPE TERMINATION
3.2.2 CORNER TERMINATION
12”
(305mm) MIN
TO GRADE
BELOW GRADE INSTALLATION
MAXIMUM 8FT (2.4M) VENT LENGTH
USE GD201 PERISCOPE KIT
HORIZONTAL RUN NOT TO EXCEED
VERTICAL RISE
24” (610mm)
MAX.
SAFETY BARRIER
25 5/8”
(651mm)
24” (610mm) MIN.
REGARDLESS OF OF
HORIZONTAL VENT
LENGTH
W415-1332 / A / 11.21.14
10
EN