2.4
venting application fl ow chart
Horizontal Termination
Vertical rise is equal
to or greater than
the horizontal run
Horizontal run +
vertical rise to
maximum of
35 feet (10.7m)
Horizontal Termination
Vertical rise is equal
to or greater than
the horizontal run
Horizontal run +
vertical rise to
maximum of 40 feet
(12m)
TOP EXIT
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of 24.75
feet (7.5m)
4.2 times the
vertical rise equal to
or greater than the
horizontal run
REAR EXIT
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of
24.75 feet (7.5m)
3.5 times the
vertical rise equal to
or greater than the
horizontal run
venting requirements
Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Horizontal run +
vertical rise to
maximum of
35 feet (10.7m)
Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Horizontal run +
vertical rise to
maximum of 40 feet
(12m)
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of
35 feet (10.7m)
3 times the vertical
rise equal to or
greater than the
horizontal run
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of 40 feet
(12m)
3 times the vertical
rise equal to or
greater than the
horizontal run
15
W415-1847 / A / 03.11.19
EN