Special Vent Installations; Periscope Termination; Corner Termination - Napoleon BGD36CFNTR Installation And Operating Instructions Manual

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) for a fi replace and 8' (2.4m) for a stove.
30" (762MM)
MINIMUM
24 1/4"
(616MM)
MINIMUM
PLUS RISE*

3.3.2 CORNER TERMINATION

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" MINIMUM
D'ÉLÉVATION
ELEVATION
30" (762MM)
MINIMUM
32 3/8"
(822MM)
20" MAXIMUM
13
12" (305MM)
MINIMUM
TO GRADE
9.4A
W415-1345 / B / 10.22.15
EN