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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."
IMPORTANT: For exhaust duct runs over 50 feet (15.24 meters) a minimum size of 10-inches (25.4
cm) must be used.
HORIZONTAL VENTING
When a single 10-inch (25.4 cm) horizontal vent is used, the ductwork to the outlet cannot exceed 50 feet (15.24
meters), refer to Illus. A below. This calculation of 50 feet (15.24 meters) compensates or allows for the use of
a maximum of only one (1) elbow (which is the outside outlet protection).
Illus. A
SINGLE DRYER VENTING
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