12
W415-0153 / E / 05.28.12
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
29" MINIMUM
12"
MIN. TO
GRADE
26 3/4"
3.3.1 PERISCOPE TERMINATION