Special Vent Installations; Periscope Termination (Gd36 And Bgd36); Corner Termination - Napoleon GD36NTR Instructions D'installation Et D'opération

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" (304.8mm) above grade. The
maximum allowable vent length is 10' (3.1m) for a fi replace and 8' (2.4m) for a stove.
30" (762MM)
MINIMUM

3.3.2 CORNER TERMINATION

GD36
The maximum vent length for a corner installation is 24" (610mm), where only 6" (152mm) of vertical rise is
used. All corner installations require a minimum 6" (152mm) rise. See illustration below.
BGD36
The maximum vent length for a corner installation is 20" (508mm) of horizontal run, in addition to 45° offset.
In this case 0" rise is acceptable when using rigid. Flexible venting must maintain a 6" (152mm) rise. See
illustration below.
12" (305MM)
MINIMUM
TO GRADE
6" (152.4mm)
RISE MINIMUM
30" (762MM)
MINIMUM
32 3/8"
(822MM)
20" (508mm)
MAXIMUM
BGD36 ONLY
(WITH RIGID ONLY)
13
12" (305MM)
MINIMUM
TO GRADE
9.4A
W415-0773 / F / 08.26.13
EN