Special Vent Installation; Periscope Termination - Napoleon GD70NT-2S Installation And Operating Instructions Manual

3.3

SPECIAL VENT INSTALLATION

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" (304.8m) above grade. The maximum allowable vent
length (including both rise and run) is 10' (3.1m).
30"
(762MM)
MIN
36"
(914MM)
9.3B
11
EN
12"
(305MM)
MIN TO
GRADE
W415-1103 / A / 08.07.13