Special Vent Installations; Periscope Installation - Napoleon Park Avenue GD82NT-PAE Installation And Operation Manual

2.2

special vent installations

2.2.1 periscope installation

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" (305m) above grade. The maximum allowable vent length
(including both rise and run) is 10' (3m).
REV B : ADDED METRIC DIMENTIONS
30" (762mm)
MINIMUM*
46"
(1168mm)
9.3B
venting
EN
12" (305mm)
MINIMUM
ABOVE
GRADE
11
W415-2358 / A / 12.10.20