Teflon Tape or Sealant on Any Flare Fittings for Gas Connections

dryerfittinggassealant

I am trying to hook up a gas dryer. The gas line has a flare fitting 1/2 in. that goes into a 1/2 in. x 3/8 in. coupling/reducer (in order to fit into a 3/8 in. gas connector, as suggested by help from Home Depot) and then into an excess flow valve, which then goes into a 3/8 in. gas connector (and then the dryer) Should I put Teflon Tape or Sealant on any of these connections?enter image description here

Best Answer

You will use

Pipe sealant ( pipe dope ) or yellow pipe tape ONLY on the connection going into the female part of the excess flow valve.

Not on flare compression fittings.

video from brasscraft, maker of the excess flow valve.

This video will show all you need to know.