If you use plumber's Teflon tape on gas pipe fittings, the tape will degrade over time and gas vapors will escape from the fitting. Plumber's Teflon is white in color and thinner than yellow gas-rated Teflon tape. Leaking gas pipes and fittings are dangerous and can cause an explosion. If you are uncomfortable applying gas-rated Teflon tape to gas fittings, contact a plumber or repairman specializing in gas connections and repairs to complete the gas pipe installation or repair.
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