65
DIRECT VENT TERMINATION CLEARANCES
GENERAL VENTING REQUIREMENTS AND
GUIDELINES
Figure 32
shows minimum clearances that must be used for direct venting terminations.
FIGURE 32
DIRECT VENT TERMINAL CLEARANCES
K
D
E
L
B
C
F
G
A
B
J
A
M
I
H
IN
S
I
DE
COR
N
ER
DETA
IL
VE
N
T
TERM
IN
A
L
A
I
R
SUPP
L
Y
INL
ET
AREA
W
H
ERE
TERM
IN
A
L
I
S
N
OT
PERM
I
TTED
F
i
x
ed
C
l
osed
O
p
e
r
ab
l
e
B
F
i
x
ed
C
l
osed
O
p
e
r
ab
l
e
B
B
A
=
C
l
ea
r
a
n
c
e
abo
v
e
gr
ade,
v
e
r
a
n
da,
p
o
r
c
h,
de
c
k
o
r
ba
l
c
o
ny
B
=
C
l
ea
r
a
n
c
e
to
w
i
n
do
w
o
r
doo
r
that
m
a
y
be
o
p
e
n
ed
C
=
C
l
ea
r
a
n
c
e
to
p
e
rm
a
n
e
n
t
ly
c
l
osed
w
i
n
do
w
D
=
V
e
r
ti
c
a
l
c
l
ea
r
a
n
c
e
to
v
e
n
ti
l
ated
soffit
l
o
c
ated
abo
v
e
the
te
rm
i
n
a
l w
ithi
n
a
ho
r
i
z
o
n
ta
l
dista
n
c
e
of
2
feet
(0
.
6
m
)
f
r
o
m
the
c
e
n
te
r l
i
n
e
of
the
te
rm
i
n
a
l
E
=
C
l
ea
r
a
n
c
e
to
unv
e
n
ti
l
ated
soffit
F
=
C
l
ea
r
a
n
c
e
to
o
u
tside
c
o
rn
e
r
G
=
C
l
ea
r
a
n
c
e
to
i
n
side
c
o
rn
e
r
H =
C
l
ea
r
a
n
c
e
to
ea
c
h
side
of
c
e
n
te
r l
i
n
e
e
x
te
n
ded
abo
v
e
m
ete
r
/
r
e
gul
ato
r
asse
m
b
ly
I =
C
l
ea
r
a
n
c
e
to
se
rv
i
c
e
r
e
gul
ato
r v
e
n
t
o
u
t
l
et
J
=
&OHDUDQFHWRQRQíPHFKDQLFDODL
r
s
upply
i
nl
et
to
b
u
i
l
di
ng
o
r
the
c
o
m
b
u
stio
n
ai
r
i
nl
et
to
a
ny
othe
r
a
ppl
ia
n
c
e
K =
C
l
ea
r
a
n
c
e
to
m
e
c
ha
n
i
c
a
l
ai
r
s
upply
i
nl
et
L =
C
l
ea
r
a
n
c
e
abo
v
e
p
a
v
ed
side
w
a
l
k
o
r p
a
v
ed
d
r
i
v
e
w
a
y
l
o
c
ated
o
n pu
b
l
i
c
pr
o
p
e
r
t
y
M
=
C
l
ea
r
a
n
c
e
un
de
r v
e
r
a
n
da,
p
o
r
c
h,
de
c
k
o
r
ba
l
c
o
ny
US
In
sta
ll
atio
n
s
1
C
a
n
adia
n In
sta
ll
atio
n
s
2
12
i
n
c
hes
(305
mm
)
o
r
12
i
n.
305
mm
)
abo
v
e
a
v
e
r
a
g
e
s
n
o
w
a
cc
umul
atio
n.
6
i
n
c
hes
(15c
m
)
fo
r
a
ppl
ia
n
c
es
<
10
,
000
B
t
u
h
(3
k
w
)
,
12
i
n
c
hes
(305
mm
)
fo
r
a
ppl
ia
n
c
es
>
10
,
000
B
t
u
h
(3
k
w
)
,
a
n
d
<
100
,
000
B
t
u
h
(30
k
w
)
,
36
i
n
c
hes
(
.
9
m
)
fo
r
a
ppl
ia
n
c
es
>
100
,
000
B
t
u
h
(30
k
w
)
*
12
"
(30c
m
)
*
3
ft
.
(
.
9
m
)
,
10
ft
.
(3
.
05
m
)
pr
efe
rr
ed
*
7
feet
(2
.
1
m
)
3
feet
(
.
9
m
)
w
ithi
n
a
hei
g
ht
15
feet
(4
.
5
m
)
abo
v
e
the
m
ete
r
/
r
e
gul
ato
r
asse
m
b
ly
*
3
feet
(
.
9
m
)
6
i
n
c
hes
(15c
m
)
fo
r
a
ppl
ia
n
c
es
<
10
,
000B
t
u
h
(3
k
w
)
,
12
i
n
c
hes
(30c
m
)
fo
r
a
ppl
ia
n
c
es
>
10
,
000
B
t
u
h
(3
k
w
)
a
n
d
<
100
,
000
B
t
u
h
(30
k
w
)
,
36
i
n
c
hes
(
.
9
m
)
fo
r
a
ppl
ia
n
c
es
>
100
,
000
B
t
u
h
(30
k
w
)
3
feet
(
.
9
m
)
abo
v
e
if
w
ithi
n
10
feet
(3
m
)
ho
r
i
z
o
n
ta
lly
6
feet
(1
.
8
m
)
1
In
a
cc
o
r
da
n
c
e
w
ith
the
c
urr
e
n
t
A
N
S
I
Z
223
.
1/
N
FPA
54
N
at
ur
a
l
F
u
e
l
G
as
C
ode
2
In
a
cc
o
r
da
n
c
e
w
ith
the
c
urr
e
n
t
CSA
B149
.
1
,
N
at
ur
a
l
G
as
a
n
d
P
r
o
p
a
n
e
In
sta
ll
atio
n
C
ode
*
F
o
r
c
l
ea
r
a
n
c
es
n
ot
s
p
e
c
ified
i
n
A
N
S
I
Z
223
.
1/
N
FPA
54
o
r
CSA
B149
.
1
,
c
l
ea
r
a
n
c
e
w
i
ll
be
i
n
a
cc
o
r
da
n
c
e
w
ith
l
o
c
a
l
i
n
sta
ll
atio
n
c
odes
a
n
d
the
r
e
qu
i
r
e
m
e
n
ts
of
the
g
as
s
uppl
ie
r
a
n
d
these
i
n
sta
ll
atio
n
i
n
st
ru
c
tio
n
s
.
"
*
12
"
(30c
m
)
*
E
qu
a
l
to
o
r gr
eate
r
tha
n
soffit
de
p
th
*
3
ft
.
(0
.
9
m
)
*
E
qu
a
l
to
o
r gr
eate
r
tha
n
soffit
de
p
th
*
N
o
m
i
n
i
mum
to
o
u
tside
c
o
rn
e
r
*
N
o
m
i
n
i
mum
to
o
u
tside
c
o
rn
e
r
3
feet
(
.
9
m
)
w
ithi
n
a
hei
g
ht
15
feet
(4
.
5
m
)
abo
v
e
the
m
ete
r
/
r
e
gul
ato
r
asse
m
b
ly
3
feet
(
.
9
m
)
*
†
V
e
n
t
sha
ll n
ot
te
rm
i
n
ate
l
ess
tha
n
7
ft
.
(2
.
1
m
)
abo
v
e
a
p
a
v
ed
side
w
a
l
k
o
r p
a
v
ed
d
r
i
v
e
w
a
y
that
is
l
o
c
ated
o
n pu
b
l
i
c
pr
o
p
e
r
t
y.
‡
P
e
rm
itted
o
nly
if
v
e
r
a
n
da,
p
o
r
c
h,
de
c
k
o
r
ba
l
c
o
ny
is
f
ull
o
p
e
n
o
n
a
m
i
n
i
mum
of
t
w
o
sides
be
n
eath
the
f
l
oo
r.
We
r
e
cc
o
mm
e
n
d
a
v
oidi
ng
this
l
o
c
atio
n
if
p
ossib
l
e
.
*
2
ft
.
(0
.
6
m
)
*
3
ft
.
(
.
9
m
)
,
10
ft
.
(3
.
05
m
)
pr
efe
rr
ed
6
i
n
c
hes
(152
mm
)
fo
r
a
ppl
ia
n
c
es
<
10
,
000
B
t
u
h
(3
k
w
)
,
12
i
n
c
hes
(305
mm
)
fo
r
a
ppl
ia
n
c
es
>
10
,
000
B
t
u
h
(3
k
w
)
,
a
n
d
<
100
,
000
B
t
u
h
(30
k
w
)
,
36
i
n
c
hes
(
.
9
m
)
fo
r
a
ppl
ia
n
c
es
>
100
,
000
B
t
u
h
(30
k
w
)
6
i
n
c
hes
(152
mm
)
fo
r
a
ppl
ia
n
c
es
<
10
,
000B
t
u
h
(3
k
w
)
,
12
i
n
c
hes
(305
mm
)
fo
r
a
ppl
ia
n
c
es
>
10
,
000
B
t
u
h
(3
k
w
)
a
n
d
<
100
,
000
B
t
u
h
(30
k
w
)
,
36
i
n
c
hes
(
.
9
m
)
fo
r
a
ppl
ia
n
c
es
>
100
,
000
B
t
u
h
(30
k
w
)
M
u
st
c
o
n
fo
rm
to
CSA
B149
.
1
-
10
,
S
e
c
t
.
8
.
14
.
(30c
m
)
ST-A1194-18
FIGURE A
Ve
nting
Summary of Contents for 96MDT SERIES
Page 34: ...34 Field Conversions...
Page 35: ...35 Field Conversions...
Page 36: ...36 Field Conversions...
Page 37: ...37 Field Conversions...
Page 38: ...Field Conversions 38...
Page 100: ...100 CM 1016...