Napoleon Ascent 36 Serie Manuel D'installation Et D'utilisation page 12

venting requirements
EN
16" (40.6cm)
minimum
40 ft (12m)
maximum
3 ft (1m)
minimum
20"
(50.8cm)
max
24" (61cm)
24"
minimum plus rise *
(61cm)
REAR VENT
* See "venting" section
12
W415-1847 / A / 03.11.19