View Natural Gas Pipe Fittings Teflon Tape UK. Also called plumber's tape, teflon tape comes spooled onto rolls much like adhesive tape. The tape works on all gas line types, including butane, propane and natural gas lines.
Got this for a leak i had on a shower valve that teflon wouldn't stop, well neither would this alone but with teflon tape also they combined took care.
Teflon tape is common in almost every household to be used for reinforcing water pipes. Gas connector, as suggested by help from home depot) and then into an excess flow valve, which then goes into a 3/8 in. It's used mainly for natural gas, it's thicker than normal teflon tape. When working with natural gas fittings or a dielectric fitting is required to change from ne material to another.