Combustion Air; Adding Vent Sections - Napoleon GDS28N Instructions D'installation Et D'opération

4.7.4 combustion air

This appliance needs air for safe operation and must be installed in such a way that adequate combustion air is
available.

4.7.5 adding vent sections

Add chimney sections, according to the manufacturers installation instructions. The chimney must extend at
least, 3 feet (1m) above its point of contact with the roof and at least 24 inches (61cm) higher than any wall,
roof, building or obstacle within 10 feet (3m) horizontally.
3 FT
(1m)
MIN
24" (61cm) MIN
10 FT (3m)
TO NEAREST
ROOFLINE
10 FT (3m)
OR MORE
FLAT ROOF
REV B : Added metric dimensions
LESS THAN
10 FEET
(3m)
24" (61cm)
RIDGE
MIN
3 FT (1m)
3 FT (1m)
MIN
MIN
27
3 FT (1m)
MIN
LESS THAN
10 FEET
(3m)
24" (61cm)
MIN
WALL
59.1B
W415-1426 / C / 07.31.18
EN