Install Instructions (Venting)

21
2.0 Direct Vent Installation of Vent/Air Piping
Combustion Air
Terminations
Vent Terminations
2
4
"
[
6
1
c
m
]
M
a
x
.
1
2
"
[
3
0
.
5
c
m
]
M
i
n
.
1
2
”
M
i
n
.
-
2
4
”
M
a
x
.
[
3
0
.
5
c
m
-
6
1
c
m
]
F
r
o
m
W
a
l
l
T
o
V
e
n
t
T
y
p
.
1
"
[
2
.
5
c
m
]
F
r
o
m
W
a
l
l
T
o
E
d
g
e
o
f
C
o
u
p
l
i
n
g
-
A
i
r
T
y
p
.
1
2
"
M
i
n
.
[
3
0
.
5
c
m
]
H
o
r
i
z
o
n
t
a
l
l
y
B
e
t
w
e
e
n
A
l
l
T
e
r
m
i
n
a
t
i
o
n
s
1
2
"
[
3
0
.
5
c
m
]
M
i
n
.
A
b
o
v
e
G
r
a
d
e
/
H
i
g
h
e
s
t
A
n
t
i
c
i
p
a
t
e
d
S
n
o
w
L
e
v
e
l
,
T
y
p
.
Direct Vent - Horizontal Termination of Multiple Boilers
Fig. 11: