13
SINGLE DRYER VENTING
IMPORTANT
: For exhaust duct runs over 20 feet (6 meters) a minimum size of 10-inches (25 cm)
must be
used.
H
ORIZONTAL
V
ENTING
When a single 8-inch (20 cm) horizontal vent is used, the duct work to the outlet cannot
exceed
20 feet (6 m)
(refer to
Illus. A
below
). This calculation of 20 feet (6m) compensates or allows for the use of a maximum of
only one (1) elbow (which is the outside outlet protection).
Illus. A