On Mon, 16 May 2016 21:18:00 -0600, rbowman wrote:

On 05/16/2016 02:06 PM, wrote:
I was told this about not using teflon tape back in the late 70's or
early 80's. What I heard was pretty vague, and I dont recall who said it
anymore. A

Some of the problems are caused by people putting it on backwards.

Yep, I learned long ago it has to be put on so it dont unwrap when the
pipe is scrrewed into the fitting.