A:Answer In the U.S., an individual manual shutoff valve MUST be installed within at least 6 ft. (1.8 m) of the ENERGY STAR® Qualified LG 7.4 cu. ft. Ultra Large Capacity Smart wi-fi Enabled Gas Dryer, Model # DLG3501W in accordance with the National Fuel Gas Code ANSI Z223.1. A 1/8-inch NPT pipe plug must be installed. If using a rigid pipe, the rigid pipe should be 0.5-inch IPS. If acceptable under local codes and ordinances and when acceptable to your gas supplier, 3/8-inch approved tubing may be used where lengths are less than 20 ft. (6.1 m). Larger tubing should be used for lengths in excess of 20 ft. (6.1 m). Use only a new AGA- or CSA-certified gas supply line with flexible stainless steel connectors...^IFV
