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HORIZONTAL VENT FIGURES/TABLES (CONTINUED)
T
A
B
E L
F
V
=
0
e n
0 9
e d
r g
e e
H
=
3
e f
t e
0 (
9 .
4 1
Refer to Table 3 on page 16 for an aid in venting component selection for a
particular range of exterior wall thicknesses when using the square (SV4.5HTS),
small square (SV4.5HTSS) or the round (SV4.5HTR) termination .
Short Square Termination (SV4.5HTSS) shown;
Long Square Termination (SV4.5HTSSL) may also be used;
Square Termination (SV4.5HTS) may also be used
Round Termination (SV4.5HTR) may also be used.
Figure 36
- Top Vent - ONE 90 DEGREE ELBOW - ELBOW CONNECTION AT APPLIANCE
V
M
i
i n
m
e f
t e
(
1
(
. 0
2
0 (
3
(
. 0
4
1 (
V
+
H
=
0 4
H
=
0 2
Refer to Table 3 on page 16 for an aid in venting component selection
for a particular range of exterior wall thicknesses when using the
square (SV4.5HTS), small square (SV4.5HTSS) or the round
(SV4.5HTR) termination .
Short Square Termination (SV4.5HTSS) shown;
Long Square Termination (SV4.5HTSSL) may also be used;
Square Termination (SV4.5HTS) may also be used
Round Termination (SV4.5HTR) may also be used.
*When using Secure Flex,
use Wall Firestop/Spacer
SF4.5HF.
*Wall Firestop/Spacer
(SV4.5HF)
**Ceiling Firestop/Spacer
(SV4.5BF)
**When using Secure Flex, use Ceiling
Firestop/Spacer SF4.5BF.
Figure 37
- Top Vent - ONE 90 DEGREE ELBOW -
ELBOW CONNECTION NOT DIRECTLY AT APPLIANCE
l e
o b
w
m
)
M
a
. x
T
A
B
E L
G
u
m
H
M
a
i x
m
u
m
m
)
e f
t e
(
m
)
0 3
) 5
5
1 (
5 .
) 2
6 .
) 1
0 1
(
. 3
) 1
1 9
) 4
5 1
4 (
6 .
) 5
2 .
) 2
0 2
(
. 6
) 2
f
e e
( t
2 1
4 .
m
)
M
a
. x
e f
t e
6 (
2 .
m
)
M
a
. x
H
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
*When using Secure Flex, use Wall Firestop/Spacer SV4.5HF.
V
M
i
i n
m
e f
t e
(
1
(
. 0
2
(
. 0
3
(
. 0
4
1 (
V
H
Refer to Table 3 on page 16 for an aid in venting component selection for a
particular range of exterior wall thicknesses when using the square (SV4.5HTS),
small square (SV4.5HTSS) or the round (SV4.5HTR) termination .
Short Square Termination (SV4.5HTSS) shown;
Long Square Termination (SV4.5HTSSL) may also be used;
Square Termination (SV4.5HTS) may also be used
Round Termination (SV4.5HTR) may also be used.
H 1
V
*When using Secure
Flex, use Wall
Firestop/Spacer
SF4.5HF.
**When using Secure
Flex, use Ceiling
Firestop/Spacer
SF4.5BF.
Figure 38
- Rear Vent - TWO 90 DEGREE ELBOWS
H
*Wall Firestop/Spacer
(SV4.5HF)
T
A
B
E L
H
u
m
H
M
a
i x
m
u
m
H
+
H
M
1
m
)
e f
t e
(
m
)
e f
t e
0 3
) 5
2
(
. 0
1 6
) 0
5
1 6
) 0
4
1 (
2 .
) 2
0 1
1 9
) 4
6
1 (
8 .
) 6
5 1
2 .
) 2
8
2 (
4 .
) 8
0 2
+
H
+
H
=
0 4
f
e e
( t
2 1
4 .
m
)
M
a
. x
1
H
=
8
f
e e
( t
. 2
8 4
m
)
M
a
. x
+
H
=
0 2
e f
t e
6 (
2 .
m
)
M
a
. x
1
H
*Wall
Firestop/Spacer
(SV4.5HF)
**Ceiling
Firestop/Spacer
(SV4.5BF)
*Wall
Firestop/Spacer
V
(SV4.5HF)
V
a
i x
m
u
m
(
m
)
1 (
5 .
) 2
(
. 3
) 1
4 (
6 .
) 5
(
. 6
) 2
17
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