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VENTING INSTALLATION INSTRUCTIONS

Installation Planning (Cont.)

VENTING INSTALLATION

INSTRUCTIONS

Continued

HORIZONTAL SYSTEM INSTALLATION USING TWO 90°

ELBOWS

The following configurations show the minimum vertical rise re- quirements for a horizontal system using two 90° elbows.

Venting with Two 90° Elbows

Vertical (V)

Horizontal (H1)

Horizontal (H1) +

 

 

 

Horizontal (H2)

45° Elbow

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.

 

Figure 17 - Horizontal Termination Configuration for Venting Using Two 90° Elbows

Venting with Two 90° Elbows

Vertical (V)

Horizontal (H1) +

 

Horizontal (H2)

5' min.

6' max.

6' min.

12' max.

7' min.

18' max.

8' min.

20' max.

20' max.

20' max.

45° Elbow

Figure 18 - Horizontal Termination Configuration for Venting Using Two 90° Elbows with Termination at 90° with Fireplace

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Desa (V)VC42N installation manual Horizontal System Installation Using TWO Elbows, Venting with Two 90 Elbows