A SERVICE OF

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13
SINGLE DRYER VENTING
IMPORTANT: For exhaust duct runs over 30 feet a minimum size of 12 inches must be used.
HORIZONTAL VENTING
When horizontal single 10-inch venting is used, the duct work to the outlet cannot exceed 30 feet (refer to Illus.
A below). This calculation of 30 feet compensates or allows for the use of a maximum of only one (1) elbow.
Illus. A