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SINGLE DRYER VENTING
IMPORTANT: For exhaust duct runs over 27 feet (8.25 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 27 feet
(8.25 meters), refer to Illus. A below. This calculation of 27 feet (8.25 meters) compensates or allows for the
use of a maximum of only one (1) elbow (which is the outside outlet protection).
Illus. A