Napoleon BGD48N - Typical Vent Installations; Special Vent Installations

W415-0326 / 01.06.02
7
Use the GD401 periscope kit to locate the air termination
above grade. The periscope must be installed so that when
final grading is completed, the bottom air slot is located a
minimum of 12 inches above grade. The maximum allow-
able vent length depends on the fireplace, as illustrated.
FIGURES 3 a-c
FIGURE 4
TYPICAL VENT INSTALLATIONS
SPECIAL VENT INSTALLATIONS
40FT
MAX
3FT
MIN
16"
40-3/4"
TO GRADE
MINIMUM
12"
10" MIN
24" MAX
USE GD201 PERISCOPE KIT
BELOW GRADE INSTALLATION
MAXIMUM 10FT VENT LENGTH
OF HORIZONTAL
REGARDLESS
VENT LENGTH
24" MINIMUM
12"MINIMUM
NOTE:
When terminating vertically, the restrictor
plate W500-0205 must be installed. Refer to
Restricting Vertical Vents.
PERISCOPE TERMINATION