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SINGLE DRYER VENTING
IMPORTANT: For exhaust duct runs over 20 feet (6 meters) a minimum size of 10-inches (25.4 cm)
must be used.
HORIZONTAL VENTING
When a single 8-inch (20 cm) horizontal vent is used, the ductwork to the outlet cannot exceed 20 feet (6
meters), refer to Illus. A below. This calculation of 20 feet (6 meters) compensates or allows for the use of a
maximum of only one (1) elbow (which is the outside outlet protection).
Illus. A
IMPORTANT: It is recommended that exhaust or booster fans NOT BE USED in the exhaust
ductwork system.