Special Vent Installations; Periscope Termination (Gd36 And Bgd36); Corner Termination - Napoleon GD36PTR Installation And Operating Instructions Manual

3.3

SPECIAL VENT INSTALLATIONS

3.3.1 PERISCOPE TERMINATION (GD36 AND BGD36)

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.
30" MINIMUM

3.3.2 CORNER TERMINATION

GD36
The maximum vent length for a corner installation is 24", where only 6" of vertical rise is used. All corner
installations require a minimum 6" rise. See illustration below.
BGD36
The maximum vent length for a corner installation is 20" of horizontal run, in addition to 45° offset. In this case
0" rise is acceptable when using rigid. Flexible venting must maintain a 6" rise. See illustration below.
12"
MINIMUM
TO GRADE
30" MINIMUM
6" RISE
MINIMUM
32 3/8"
9.4A
20" MAXIMUM
13
12"
MINIMUM
TO GRADE
BGD36 ONLY
(WITH RIGID ONLY)
W415-0773 / E / 03.13.12