Napoleon GX36NTREA-1 Manual 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
W415-3097 / 07.06.21