Operating instructions

11
W415-0514 / E / 04.16.12
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” above grade. The maximum allowable vent length is 10’ for a
fi replace and 8’ for a stove.
9.1A
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
29" MIN REGARDLESS
OF HORIZONTAL VENT
LENGTH
12"
MINIMUM
TO GRADE
30 3/4"