Napoleon Ascent Séries Manuel D'installation page 40

fi nish framing
EN
10.3 minimum clearance to combustible enclosures
note:
Vent Sections
When passing through a wall, use fi restop spacer W010-4404 (supplied).
When passing through a ceiling, use fi restop spacer W500-0096 (not supplied).
Center of
vent pipe
56"
(142.2cm)
f i r e - p a r t s . c o m
ceiling
(min.)
46"
(116.8cm)*
27 1/2"
(69.9cm)
0" to bottom of the
note:
The vent shield is telescopic and
must be adjusted to shield the
full depth of the combustible wall
penetration.
40
W415-1705 / G / 03.21.19
3" [76.2mm] minimum all sides for vertical venting.
Vent shield
(Not required for BL36-1)
Top of
combustible
opening
14"
Top of
(35.6cm)
appliance
opening
Non-combustible
material
Combustible
material
appliance
Non-combustible
Combustible
6 1/2"
**
(16.5cm)
(76.2mm)
3"
(76.2mm)
(25.4mm)
bottom
1"
(25.4mm)
* See "venting requirements" and "venting installation" sections.
** Clearances within the enclosure may be higher, see
"minimum framing dimensions" section.
3"
0" if non-combustible finishing
top
is used such as brick and stone.
1"(25.4mm)
to vent sides
1"
0" to back standoffs
0" to side standoffs