20
NOTE:
The distance between the dryer single ducts being connected to the main common duct
must
be
a minimum of 31-1/2” (80.01 cm) dryer’s width.
NOTE:
The ductwork
should be
laid out in such a manner where allowances are made at the rear
area of the dryer for removal of rear service panels/guards.
IMPORTANT:
Individual ducts being added to the main common vent must enter the main common
vent ductwork at an angle not more than 45º in the direction of the airflow.
The
illustration above
shows the minimum cross section area for multiple (common) dryer venting.
The maximum length of venting from the last dryer to where it exhausts is the following:
VERTICAL - venting run
must not exceed
8 feet (2.44 meters).
HORIZONTAL
-
venting run
must not exceed
15 feet (4.6 meters).