[MartyG33]

[quote=EricH;1332248]Last question first: Click the big purple square in the top left of each page. Scroll down to the subforum you think is most appropriate, click it, and click the "new post" at the top of the page.


Now. The rules question.

First answer: Did you read the Manual? Your first question is answered quite clearly by R77E--and your second question will be answered by reading the rest of R77.[/QUOT

Yes, but it only says functionally the same. Stiff copper would function the same as the tubing without the flexibility.