Direct Vent Terminal Location
Plan the vent system layout so that proper clearances are maintained from plumbing and wiring.
Before the vent is installed, determine the vent pipe termination location as shown below in the Vent
Terminal Location illustration.
Vent/Air Intake Terminal Positions – MINIMUM Dimensions
Ref
Description
A
Directly below an air opening or window
B
Below a gutter or eaves
C
From any internal corner
D
Above ground or the anticipated snow level
E
From an opposing wall or structure facing the
Terminal
F
From a Terminal facing a Terminal
G
Vertically between two Terminals on the
same wall
H
Horizontally between two Terminals on the
same wall
J
From any external corner
K
Horizontally from any air opening, window or
door.
L
Vertical Flue from wall (Flat or Pitched Roof)
VENT/AIR INTAKE TERMINAL LOCATIONS
21
Distance in Inches (cm)
12" (30.5 cm)
36" (91.4 cm)
12" (30.5 cm)
12" (30.5 cm)
24" (61 cm)
48" (121.9 cm)
60" (152.4 cm)
12" (30.5 cm)
12" (30.5 cm)
12" (30.5 cm)
24" (61 cm)