Top Vent - Horizontal Termination

One Elbow

H1

 

 

 

V1 Minimum

H1 Maximum

 

 

 

Elbow only

2 ft

610 mm

 

 

 

1/2 ft.

 

152 mm

6 ft.

1.8 m

 

 

 

1 ft.

 

305 mm

11 ft.

3.4 m

 

 

 

 

 

 

1-1/2 ft.

 

457 mm

18 ft.

5.5 m

V1

2 ft.

 

610 mm

25 ft.

7.6 m

 

 

 

V1

+ H1 = 40 ft. (12.2 m) Maximum

 

 

 

 

H1 = 25 ft. (7.6 m) Maximum

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: For corner installations: A 6 inch (152

 

 

 

mm) section of straight pipe may need to

 

 

 

be attached to the appliance before a 90º

 

 

 

elbow, to allow the vent pipe to clear the top

 

 

 

standoffs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 7.4

Two Elbows

H2

Note: For corner installations: A 6 inch (152 mm) section of straight pipe may need to be attached to the appliance before a 90º elbow, to allow the vent pipe to clear the top standoffs.

V1

H1

V1 Minimum

H1 + H2 Maximum

Elbow only

2 ft

610 mm

1/2 ft.

152 mm

6 ft.

1.8 m

1 ft.

305 mm

11 ft.

3.4 m

1-1/2 ft.

457 mm

18 ft.

5.5 m

2 ft.

610 mm

25 ft.

7.6 m

V1 + H1 + H2 = 40 ft. (12.2 m) Maximum

H1 + H2 = 25 ft. (7.6 m) Maximum

Figure 7.5

INSTALLED

HORIZONTALLY

28

Heatilator • CD4236IR-C, CD4842IR-C2207-900 Rev. J • 11/11

Page 28
Image 28
Heatiator CD4236ILR-C, CD4236IR-C, CD4842ILR-C Top Vent Horizontal Termination One Elbow, Two Elbows, V1 Minimum H1 Maximum