Direct Vent - Vertical

Note: When vertical height exceeds 25 ft, consult

factory prior to installation.

*Requires optional vent tee if vented horizontally out back of heater.

Fig. 45: Direct Vent - Vertical

 

Certified

 

Vertical Venting

Combustion Air

Air Inlet

Model

Venting

Vent Size

Height*

Intake Pipe

Max. Length**

 

Material

 

Min.

Max.

Material

10”

12”

 

 

 

 

 

 

 

 

 

 

 

 

992BE

 

10”

 

 

 

 

 

 

 

 

 

 

 

75’

100’

1262BE

 

12”

 

 

 

 

 

 

 

Galvanized Steel,

 

 

1532BE

 

 

 

 

 

 

 

 

 

 

 

 

Category II

 

5’

25’

PVC,

 

 

1802BE

 

 

 

 

or IV

14”

 

 

ABS,

 

 

2002BE

 

 

 

 

 

 

 

CPVC

40’

75’

 

 

 

 

 

 

2072BE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2342BE

 

16”

 

 

 

 

 

 

 

 

 

 

 

 

 

*Vent lengths are based on a lateral length of 2 ft. Refer to the latest edition of the NFGC for further details. When vertical height exceeds 25 ft, consult factory prior to installation.

** Subtract 10 ft per elbow. Max. 3 elbows.

Maximum combustion air duct length terminated at 100 equivalent ft.

Table R: Category II or IV Vertical Venting

49

Page 49
Image 49
Raypak manual 992BE 75’ 100’ 1262BE Galvanized Steel 1532BE Category 25’

992B specifications

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