Napoleon Fireplaces Vittoria - GD19 - Manuel (Page 11)

11
W415-1004 / B / 08.10.12
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
24" MINIMUM
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
12"
MINIMUM
TO GRADE
12"
MINIMUM
TO GRADE
24" MINIMUM
33 1/8"
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.