www.fmiproducts.com
116646-01J 13
HORIZONTAL SYSTEM INSTALLATION USING TWO 90° ELBOWS
The following congurations show the minimum vertical rise requirements for a horizontal
system using two 90° elbows.
VENTING INSTallaTION
Continued
Figure 17 - Horizontal Termination Conguration for Venting Using Two 90° Elbows
Venting with Two 90° Elbows
Horizontal (H1) +
Vertical (V) Horizontal (H1) Horizontal (H2)
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 Conguration for Venting Using Two 90° Elbows
with Termination at 90° with Fireplace
Venting with Two 90° Elbows
Horizontal (H1) +
Vertical (V) Horizontal (H2)
5' min. 6' max.
6' min. 12' max.
7' min. 18' max.
8' min. 20' max.
20' max. 20' max.
45° Elbow