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Idiomas disponibles
Idiomas disponibles
G
A
Inside
Corner
Detail
= Vent Terminal
= Air Supply Inlet
= Area where terminal is
not permitted
REFERENCE LETTER TO DRAWING
A Clearance above grade, veranda, porch, deck, or balcony
B Clearance to window or door that may be opened
C Clearance to permanently closed window
D Vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 2 Feet (61 cm)
from the center line of the terminal
E Clearance to unventilated soffit
F Clearance to outside corner
G Clearance to inside corner
H Clearance to each side of center line extended above
meter/regulator assembly
I
Clearance to service regulator vent outlet
J Clearance to nonmechanical air supply inlet to building or
the combustion air inlet to any other appliance.
K Clearance to a mechanical air supply inlet
L Clearance above paved sidewalk or paved driveway
located on public property
M Clearance under veranda, porch, deck, or balcony
CLEARANCES
D
E
B
F
B
C
B L E
O P E R A
F IX E D
D
C L O S E
B
B
A
B
CANADIAN
INSTALLATIONS*
12 Inches (30 cm)
12 Inches (30 cm)
12 Inches (30 cm)
18 Inches (46 cm)
24 Inches (61 cm)
12 Inches (30 cm)
12 Inches (30 cm)
3 Feet (91 cm) within a
height 15 Feet (4.5m) above the
meter / regulator assembly
3 Feet (91 cm)
12 Inches (30 cm)
6 Feet (1.83 m)
7 Feet (2.13m) A vent shall not
terminate directly above a sidewalk
or paved driveway that is located
between two single family dwellings
and serves both dwellings.
12 Inches (30 cm)
permitted only if veranda, porch,
deck, or balcony is fully open on a
minimum of two sides.
*In accordance with the current CSA-B149.1
Natural Gas and Propane Installation Code
Page 5
H
B
F IX E D
D
C L O S E
I
M
J
U.S. INSTALLATIONS**
DVCF40
12 Inches (30 cm)
9" (23 cm)
9" (23 cm)
18 Inches (46 cm)
24 Inches (61 cm)
12 Inches (30 cm)
12 Inches (30 cm)
Clearance in accordance
with local installation codes &
requirements of the gas supplier
9" (23 cm)
3 Feet (91 cm) above if within
10 Feet (3 m) horizontally
Clearance in
accordance with local
installation codes &
requirements of the
gas supplier
**In aaccordance with the current ANSI
Z223.1 / NFPA 54 National Fuel Gas Code
K
DVCF55
12" (30 cm)
12" (30 cm)
12" (30 cm)
1018028-C
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