John Mascaro wrote:

> >Water/Smoke Test Leader>
>
> To test cast iron drain lines, we use an inflatable rubber stopper.
>
> I wonder if you can lower the stopper to the bottom of the leader, inflate
> it, then use one of the colored smoke bombs that are used to test chimneys
> and ductwork?
>
> Are these internal CI leaders or relatively short 'eave tubes' that are
> connected to exterior sheet metal spouting?
>
> John Mascaro

OR better yet bomb the leader & then loosely stopper the top as well-
that might show where the internal leaks are-
I notice on the AC in my car Mike has mounted a sticker that says something
about UV fluorescent
added to the "Freon"
What's that all about & could that lead to a stainless leak detection.

DD


--
We have enough laws on the book, already, to confound us well into the 21st
Century