Vertical Vent Tables And Figures - Superior MULTI-OPEN SERIES Installation Instructions Manual
Direct vent multi-open series
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VERTICAL VENT FIGURES/TABLES
Note: Secure Vent (rigid vent pipe) is shown
in the figures; Secure Flex (flexible vent pipe)
may also be used (see page 21).
WARNING: UNDER NO CIRCUM-
STANCES MAY SEPARATE SECTIONS
OF CONCENTRIC FLEXIBLE VENT
PIPE BE JOINED TOGETHER.
Note: It is very important that the horizontal/
inclined run be maintained in a straight (no
dips) and recommended to be in a slightly
elevated plane, in a direction away from the
fireplace of
" rise per foot (20 mm per
meter) which is ideal, though rise per foot run
ratios that are smaller are acceptable all the
way down to at or near level.
Note: SV4.5VF (Secure Vent), SF4.5VF (Secure
Flex) firestop/spacer must be used anytime vent
pipe passes through a combustible floor or ceil-
ing. SV4.5HF (Secure Vent), SF4.5HF (Secure
Flex)firestop/spacer must be used anytime vent
pipe passes through a combustible wall.
Note: Two 45 degree elbows may be used in
place of one 90 degree elbow. The same rise to
run ratios, as shown in the venting figures for 90
elbows, must be followed if 45 degree elbows are
used.
40 feet (12.2 meters)
Maximum
A Vent Restrictor, as
shown in Figure 19,
page 10, must be used
Figure 32
- Top Vent - STRAIGHT
14
Figure 33
*Ceiling
Firestop/Spacer
(SV4.5VF)
in this application
Figure 34
T
A
B
E L
A
V M
H
M
a
i x
m
u
m
I
I N
M
U
M
e f
t e
(
m
)
e f
t e
(
m
)
1
(
. 0
0 3
) 5
2
0 (
6 .
) 1
2
0 (
6 .
) 1
4
(
. 1
2 2
) 2
3
(
. 0
1 9
) 4
6
1 (
8 .
) 6
4
1 (
2 .
) 2
8
(
. 2
) 4
V
+
H
=
0 4
f
e e
( t
2 1
4 .
m
)
M
a
. x
H
=
8
e f
t e
2 (
4 .
m
)
M
a
. x
- Rear Vent - ONE 90 DEGREE ELBOW
H
*Ceiling
Firestop/Spacer
(SV4.5VF)
V1
**Wall
Firestop/Spacer
(SV4.5HF)
- Top Vent - TWO 90 DEGREE ELBOWS
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
*Ceiling
Firestop/Spacer
(SV4.5VF)
**Wall
Firestop/Spacer
(SV4.5HF)
V
H
page 10, must be used
T
A
B
V M
I
I N
M
U
M
e f
t e
(
m
t e
r e
) s
1 *
(
. 0
0 3
) 5
2
(
. 0
1 6
) 0
3
(
. 0
1 9
) 4
4
1 (
2 .
) 2
V
+
V
+
H
=
0 4
1
H
=
0 2
e f
t e
*When developing chimney systems
with horizontal runs (H) that end with
a vertical run (V1), it is allowable to
use an elbow attached directly to the
top collar. Count the elbow attached
to the collar as 1 foot of (V) run.
V
A Vent Restrictor, as
shown in Figure 19,
page 10, must be used
in this application
A Vent Restrictor, as
shown in Figure 20,
in this application
E L
B
H
M
a
i x
m
u
m
e f
t e
(
m
t e
r e
) s
5
1 (
5 .
) 2
0 1
(
. 3
) 1
5 1
4 (
6 .
) 5
0 2
(
. 6
) 2
f
e e
( t
2 1
4 .
m
)
M
a
. x
6 (
2 .
m
)
M
a
. x
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