Napoleon Fireplaces BGDV42P - Manual (Page 7)

7
W415-0381 / C / 05.13.04
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
NOTE:
When terminating vertically, the restrictor
plate W500-0205 must be installed. Refer to
Restricting Vertical Vents.
PERISCOPE TERMINATION