Installation & Operation Manual
2 Venting
BEFORE YOU BEGIN
Identify your appliance’s vent system:
This manual covers venting requirements for CAT I models and CAT IV vent materials. Be sure to correctly identify the type of vent system your appliance requires before proceeding.
C(F,H) (N,L)0402 C(F,H) (N,L)0502 C(F,H) (N,L)0652 C(F,H) (N,L)0752 C(F,H) (N,L)0992 C(F,H) (N,L)1262
C(F,H) (N,L)1442 C(F,H) (N,L)1802 C(F,H) (N,L)2072
Venting options: | |
A | B C D = |
| CAT I |
E | = Direct Vent Options |
| CAT IV |
F = Outdoor Vent Option
DANGER | Failure to use correct venting materials can result in loss of life from flue gas spillage into working or living |
| space. |
|
Venting Category Definitions: (Reference National Fuel Gas Code ANSI Z223.1)
CAT I: Negative pressure non-condensing
An appliance that operates with a
CAT IV: Positive pressure condensing
An appliance that operates with a positive vent static pressure with a vent gas temperature that may cause excessive condensate production in the vent.
CAT IV Flue pipe materials
The following manufacturers supply flue materials suitable for these models when installed as CAT IV. All materials are made with
Protech Systems Inc., Fas N Seal Vent with
Or other listed Category IV vent systems suitable for a condensing, positive pressure, gas fired appliance.
A Category IV flue MUST have all vent joints and seams sealed gastight and have provisions for a drain to properly collect and dispose of condensate that may occur in the venting system.
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