NOTE: As per the National Fuel Gas Code, “Exhaust ducts for type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material. Such ducts shall be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 0.0195-inches (26 gauge [0.05 mm]) thick.”

SINGLE DRYER VENTING

IMPORTANT: For exhaust duct runs over 30 feet (9.14 meters) a minimum size of 10-inches (25.4 cm) must be used.

HORIZONTAL VENTING

When horizontal single 8-inch (20.32 cm) venting is used, the ductwork to the outlet cannot exceed 30 feet (9.14 meters) refer to Illus. A below. This calculation of 30 feet (9.14 meters) compensates or allows for the use of a maximum of only one (1) elbow.

Illus. A

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American Dryer Corp MDG-30 installation manual Single Dryer Venting