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Direct Vent Installation of Vent/Air Piping
Combustion Air
Termination
Vent Termination
12” Min.
24” Max.
12” Min.
Above Grade or
Projected Snow Line
Tee or Hood
Venting Vertically
Or
12” Min.
90º Elbow
with Bird Screen
Installed on Either
Side of Vent
12” Min.
Combustion Air
Termination
Vent Termination
12” Min.
24” Max.
12” Min.
Above Grade or
Projected Snow Line
Combustion Air
Termination
Vent Termination
12” Min.
24” Max.
12” Min.
Above Grade or
Projected Snow Line
12” Min.
24” Max.
Above Combustion
Air Inlet
90º Elbow
with Bird Screen
Tee or Hood
Venting Horizontally
Straight
Or
12” Min.
90º Elbow
with Bird Screen
Installed on Either
Side of Vent
12” Min.
Direct Vent - Horizontal Two Pipe Termination Options
Fig. 11:
17