EN
W415-3091 / C / 05.11.22
43
finish framing
10.3 minimum clearance to combustible enclosures
* See “venting requirements” and “venting installation” sections.
The vent shield is telescopic and
must be adjusted to shield the
full depth of the combustible wall
penetration.
note:
** Clearances within the enclosure may be higher, see
“minimum framing dimensions” section.
Top of
appliance
opening
0” if non-combustible finishing
is used such as brick and stone.
Combustible
material
Non-combustible
material
Combustible
Non-combustible
56”
(142.2cm)
ceiling
(min.)
27 1/2”
(69.9cm)
1”
(25.4mm)
46”
(116.8cm)*
6 1/2”
(16.5cm)
3”
(76.2mm)
top
1”
(25.4mm)
bottom
14”
(35.6cm)
Vent shield
Top of
combustible
opening
Center of
vent pipe
3" [76.2mm] minimum all sides for vertical venting.
3”
(76.2mm)
**
(Not required for BL36-1)
0” to back standoffs
0” to side standoffs
0” to bottom of the
appliance
1”(25.4mm)
to vent sides
10.4 alcove enclosure
APPLIANCE
RECESS OR
ALCOVE
AREA
The recesses or alcoves can be made as deep as desired provided the
minimum clearances to combustibles are maintained.
The minimum enclosure volume must be increased by no less than the volume
of the recess. This adjustment can be made by increasing any or all of the
height, width and depth of the enclosure.
44.2A
ENCLOSURE
AREA
note:
Recesses or alcoves above the appliance
must
be made with non-combustible
material and regular minimum clearances, as defined for combustible materials,
must still be applied.
