2
1
Bell
fi re
s
Installation instructions
VENT INST
ALLA
TION
Canadian Installations
1
E= Clearance to unventilated soffi t
12 in (30 cm)
F= Clearance to outside corner
20 in (51 cm)
G= Clearance to inside corner
20 in (51 cm)
H= Clearance to each inside of center line extended above meter / regulator
3 ft (91 cm) within a height
15 ft (4.5 m) above the
assembly
meter/regulator assembly
I = Clearance to service regulator vent outlet
3 ft (91 cm)
J= Clearance to non-mechanical air supply inlet to building or the combustion air
12 in (30 cm)
inlet to any other appliance
K= Clearance to a mechanical air supply inlet
6 ft (1.83 m)
L= Clearance above paved sidewalk or paved driveway located on public property
7 ft (2.13 m) †
M= Clearance under veranda, porch, deck or balcony
20 in (51 cm) ‡
1 In accordance with the current CSA-B149 Installation Codes.
† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings
and serves both dwellings.
‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the fl oor.
NOTE:
Local codes or regulations may require different clearances. Interfocos assumes no responsibility for the improper
performance of the appliance when the venting system does not meet these requirements.
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