11
W415-0769 / A / 12.10.10
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
(including both rise and run) is 10’.
9.3A
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
46”
30” MINIMUM*
12”
MINIMUM
ABOVE
GRADE
* First two feet requires insulation sleeve
!
WARNING
THE FIRST 2 FEET OF OUTER 7 “ DIAMETER VENT PIPE FROM THE APPLIANCE MUST BE
WRAPPED IN THE 1” THICK INSULATION SLEEVE (SUPPLIED). MAKE SURE THE INSULATION IS
PULLED DOWN TIGHT TO THE APPLIANCE WHEN INSTALLED. THERE AFTER, A 2” CLEARANCE
ALL AROUND THE VENT PIPE FROM COMBUSTIBLE MATERIALS ON ALL HORIZONTAL VENT
SECTIONS IS REQUIRED.