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116646-01J
13
HORIZONTAL SYSTEM INSTALLATION USING TWO 90° ELBOWS
The following configurations show the minimum vertical rise requirements for a horizontal
system using two 90° elbows.
VENTING INSTallaTION
Continued
Figure 17 - Horizontal Termination Configuration for Venting Using Two 90° Elbows
Venting with Two 90° Elbows
Horizontal (H
1
) +
Vertical (V) Horizontal (H
1
) Horizontal (H
2
)
5' min.
2' max.
6' max.
6' min.
4' max.
12' max.
7' min.
6' max.
18' max.
8' min.
8' max.
20' max.
20' max.
8' max.
20' max.
45° Elbow
Figure 18 - Horizontal Termination Configuration for Venting Using Two 90° Elbows
with Termination at 90° with Fireplace
Venting with Two 90° Elbows
Horizontal (H
1
) +
Vertical (V) Horizontal (H
2
)
5' min.
6' max.
6' min.
12' max.
7' min.
18' max.
8' min.
20' max.
20' max.
20' max.
45° Elbow
