Napoleon Fireplaces Castlemore GDS26 - Manuel (Page 11)

11
W415-0827 / D / 08.10.12
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.
9.4A
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
12"
MINIMUM
TO GRADE
12"
MINIMUM
TO GRADE
24" MINIMUM
24" MINIMUM
35 1/2"
20” MAXIMUM
6” RISE
MINIMUM
3.3.2 CORNER TERMINATION
The maximum vent length for a corner installation is 20" of horizontal run, in addition to the 45° offset. In this
case zero rise is acceptable. See illustrations below. It is recommended to maintain a 6" rise.