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EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS
*
See Item D in the Text Below.
Center Line
Exterior Wall
of Termination
*18"
V
Horizontal
Termination
18"
Inside Corner
Detail D
B
V
L
F
V
A
X
A
=
C
e l
r a
n a
e c
a
o b
e v
r g
d a
, e
e v
B
=
C
e l
r a
n a
e c
o t
w
n i
o d
w
r o
o d
C
=
C
e l
r a
n a
e c
o t
p
r e
m
n a
n e
y l t
D
=
V
e
i t r
a c
c l
e l
r a
n a
e c
o t
v
n e
t
r e
m
i
a n
i t
n o
i w
h t
n i
a
o h
i r
o z
t n
l a
f
o r
m
t
e h
e c
t n
r e
i l
e n
o
t f
e h
t
r e
E
=
C
e l
r a
n a
e c
o t
u
v n
n e
l i t
t a
d e
F
=
C
e l
r a
n a
e c
o t
u o
i s t
e d
o c
n r
G
=
C
e l
r a
n a
e c
o t
n i
i s
e d
o c
n r
r e
H
=
C
e l
r a
n a
e c
o t
a e
h c
n i
i s
e d
m
e
e t
r / r
g e
l u
t a
r o
s a
e s
m
b
y l
I
=
C
e l
r a
n a
e c
o t
s
r e
i v
e c
r
g e
l u
J
=
C
e l
r a
n a
e c
o t
n
n o
m
e
h c
n a
c i
t
e h
o c
m
u b
i t s
n o
i a
i r
l n
t e
o t
a
y n
K
=
C
e l
r a
n a
e c
o t
a
m
e
h c
n a
c i
l a
L
=
C
e l
r a
n a
e c
a
o b
e v
p
v a
d e
i s
n o
p
b u
c i l
r p
p o
r e
y t
M
=
C
e l
r a
n a
e c
u
d n
r e
e v
a r
d n
, a
N
=
D
p e
h t
f o
l A
o c
e v
(
M
a
i x
m
u
O
=
C
e l
r a
n a
e c
o t
T
r e
m
i
a n
i t
n o
P
=
W
d i
h t
f o
l A
o c
e v
(
M
i
i n
m
u
m
Q
=
C
e l
r a
n a
e c
o t
C
o
m
u b
t s
b i
e l
*
n I
c a
o c
d r
n a
e c
i w
h t
t
e h
c
r u
e r
* *
n I
c a
o c
d r
n a
e c
i w
h t
t
e h
u c
e r
*
* *
C
e l
r a
n a
e c
e r
u q
r i
d e
o t
i v
y n
‡
A
v
n e
s t
a h
l l
o n
t t
r e
m
i
a n
e t
d
d
w
e
i l l
g n
. s
‡ *
O
n
y l
p
r e
m
t t i
d e
f i
e v
a r
d n
, a
Figure 8
Corner Detail
V
Ventilated Soffit
A
B
C
V
Fixed
V
Operable
Closed
Window
Window
V
C
B
C
C
B
= Air Supply Inlet
V
= Vent Termination
a r
d n
, a
o p
c r
, h
d
c e
, k
r o
a b
c l
n o
. y
r o
h t
t a
m
y a
e b
o
e p
e n
. d
l c
s o
d e
w
n i
o d
w
l i t
t a
d e
o s
i f f
l t
c o
t a
d e
a
o b
e v
t
e h
d
t s i
n a
e c
f o
8 1
n i
h c
s e
4 (
8 5
m
m
m
i
a n
i t
n o
o s
i f f
* t
* *
r e
f o
e c
t n
r e
i l
e n
x e
e t
d n
d e
a
o b
e v
t a
r o
e v
t n
u o
l t
t e
l a
a
r i
s
p u
l p
i y
l n
t e
o t
u b
l i
i d
g n
r o
o
h t
r e
a
p p
i l
n a
e c
a
r i
s
p u
l p
i y
l n
t e
e d
w
a
k l
r o
p
v a
d e
i d
e v
w
a
l y
c o
t a
d e
o p
c r
, h
e d
k c
r o
b
l a
o c
y n
m
)
A (
c l
v o
) e
)
A
o b
e v
A (
c l
v o
) e
t n
C
S
A
B -
1
9 4
1 .
N
a
i t
n o
l a
G
s a
A
d n
t n
A
N
I S
S
2 Z
3 2
1 .
N /
F
P
A
4 5
N
a
i t
n o
s l
f o
t i f
m
t a
r e
a i
- l
0 3
n i
h c
s e
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c 6
r i
c e
y l t
a
o b
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a
i s
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w
a
k l
r o
p
v a
d e
o p
c r
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e d
k c
r o
b
l a
o c
y n
s i
u f
y l l
p o
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
NOTE: Local Codes Or Regulations
May Require Different Clearances.
NOTE: Location Of The Vent Termination
Inside
Must Not Interfere With Access To The
Electrical Service.
G
= 9" in U.S.
A
= 12" in Canada
3 ft.
X
A
A
3 ft.
J
B
= Area where Termination is not Permitted
C
a
a n
i d
n a
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7
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