VENTING APPLICATION FLOW CHART
HORIZONTAL
TERMINATION
Vertical rise
is equal to or
g r e a t e r
than
the
horizontal
run
Horizontal
run + verti-
cal rise to
m a x i m u m
of 40 feet
Vertical rise
Vertical rise
is less than
is equal to or
h o r i z o n t a l
g r e a t e r
run
than
horizontal
run
H o r i z o n t a l
Horizontal
run + verti-
run + verti-
cal rise to
cal rise to
m a x i m u m
m a x i m u m
of 24.75 feet
of 40 feet
4.2 times the
vertical rise
equal to or
greater than
the horizon-
tal run
VERTICAL
TERMINATION
Vertical rise
is less than
horizontal
run
the
Horizontal
run + verti-
cal rise to
m a x i m u m
of 40 feet
3 times the
vertical rise
equal to or
g r e a t e r
than
the
horizontal
run
9
W415-0484 / A / 07.23.06