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Posted by Zephyr on June 18, 2007, 4:06 pm
Time
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Zyp
>
> >
> >> I was taught to purge copper lines with argon or nitrogen while
> > brazing.For
> >> leibert units,med gas and such.
> >> I was talking to a residential installer and he acted as if he never
> >> heard
> >> of doing so..Do most residential installers braze up copper lines
without
> >> atmosphere control?
> >
> >
> > Most? Yes
> >
> > Is it correct not too? No
> >
> > So why don't they do it? Cost
>
> and lazyness
>
>
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