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Posted by ConcreteFinishing&StuccoGuy on June 15, 2005, 3:00 pm
Glad this post is about plumbing because the last answer is as full of shit
as any sewer i have ever seen.
No turbo torch, no oxy assist feed. Average plumber will have a BTank that
will handle job, prob is the labor to clean the couplings off old solder.
Average joint only needs a minute to heat.
--
Troweller^nospam^@canada.com
Remove the obvious to reply. Experienced and reliable
Concrete Finishing and Synthetic Stucco application in the GTA.
>
> > We are in the middle of renovating a kitchen and bathroom. House was
> > built in 1925, and kitchen pantry was converted to a bathroom I'm
> > guessing in the 1950's. Current plumbing vent for the bathroom is 2"
> > copper run on the exterior wall of the house. This vent will be moved
> > into the wall cavity. (Already have the walls ripped out and holes in
> > top plates drilled.) Hired plumber will be doing most of the work.
> >
> > I'd like to reuse the current copper vent pipe inside the wall. I have
> > no sound reasons for wanting to reuse the pipe other than I just like
> > the idea of reusing old materials rather than always buying new, even
> > if it adds to the cost of the job. We'll be asking the plumber about
> > this, and I anticipate that his answer will be that it is way easier
> > and cheaper to just run new PVC inside the wall than trying to clean up
> > the pipe enough to sweat new couplings on as sections of the pipe are
> > stuffed up the wall cavity.
> >
> > Also, current waste pipe for the toilet is 3" (I think) copper. This
> > had to be cut in one place as part of the renovation, so it would only
> > take one coupling to reconnect the existing waste line to the new
> > stuff.
> >
> > So my question is, how hard is it to sweat a 2"+ diameter copper pipe?
> > I've done plenty of 1/2" and 3/4", so I know how easy it is to do that,
> > but does it become exponentially more difficult to sweat larger
> > diameters? Is the plumber going to run screaming from our house if we
> > ask him to do this? I assume he will want to just rip everything out
> > and re-run PVC, so should we let him do this?
> >
> > Thanks for any insight anyone can give me.
> >
> > Ken
>
> With a big "turbo torch" it is done daily. The average plumber may not
have
> such a tool. Never seen one at a rental yard.
>
> Last one I saw the flame end was 4 inches in diameter and they used dual
> gasses. Oxy and Acetylene. Took a skilled journeyman about 30 minutes a
> joint. No flammable materials anywhere near.
>
> Since this is for a vent I would think about a "no hub" connection.
>
>
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