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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 20 feet (6.1 meters) a minimum size of 10-inches (25.4
cm) must be used.
HORIZONTAL VENTING
Illus. A below
Illus. A
IMPORTANT: Exhaust back pressure measured by a manometer at the dryer exhaust duct area must
be no less than 0 and must not exceed 0.3 inches (0.74 mb) of water column
(W.C.).
SINGLE DRYER VENTING
12
cannot
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