Special Vent Installations; Periscope Termination; Corner Termination - Napoleon B42NTR Instructions D'installation Et D'opération

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" (304.8mm) above grade.
The maximum allowable vent length is 10' (3.1m).
30" (762MM)
MINIMUM

3.3.2 CORNER TERMINATION

The maximum vent length for a corner installation is 20" (508mm) of horizontal run, in addition to the 45°
offset. In this case zero rise is acceptable. However, it is required a 6" (152mm) rise be included. See
illustrations below:
12" (305MM)
MINIMUM
TO GRADE
6" (152.4mm)
RISE
30" (762MM)
MINIMUM
34 5/8"
(879MM)
9.4B
20" (508mm)
MAXIMUM
13
EN
12" (305MM)
MINIMUM
TO GRADE
W415-1293 / B / 05.25.16