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[_[ Vent Terminal _ Air Supply Inlet _ Area where terminalis not permitted
VENT TERMINAL CLEARANCES
REFERENCE LETTERTO
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
CANADIAN
INSTALLATIONS I
12 Inches (30 cm)
12 Inches (30 cm)
12 Inches (30 cm)
18 Inches (46 cm)
18 Inches (46 cm)
12 Inches (30 cm)
12 inches (30 cm)
3 Feet (91 cm) within a he
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) Avent shal
not terminate directly abc
a sidewalk or paved drive
'h .......
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