Special Vent Installations; Periscope Termination; Corner Termination - Napoleon GD19N Installation And Operating Instructions Manual

3.3

SPECIAL VENT INSTALLATIONS

3.3.1 PERISCOPE TERMINATION

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.
24" 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.
12"
MINIMUM
TO GRADE
24" MINIMUM
6" RISE
MINIMUM
33 1/8"
9.4A
20" MAXIMUM
11
12"
MINIMUM
TO GRADE
W415-1004 / B / 08.10.12