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Posted by Tony Hwang on July 17, 2007, 8:56 pm
marson wrote:
> So here's the deal. I am building a new house which is basically
> done, sheetrocked, finish floors, etc. The only problem is that we
> can't get a plumbing final passed--seems like there is a fitting that
> has come apart in the vent portion of the DWV. I am looking for some
> brilliant ideas to find it, short of filling the system with water and
> looking for the leak.. We have tried the "peppermint test" --dumping
> peppermint down the vent, follwed by hot water, and can't smell
> peppermint anywhere. We also tried a camera, but were unable to fish
> it in the lines smaller than 3".
>
> A few ideas I've had are--
>
> 1) devising a hillbilly smoke test--setting a shop vac to blow. Put a
> little water in the tank, and add dry ice, and hook this up to pump
> "smoke" into the system.
>
> 2) Hiring a guy with an infrared camera. Attach a heat gun to the
> system. Pump heat and look for heat.
>
> Anyone have any other ideas?
>
Hi,
You're doing it backward. After plumbing is done, you had to check the
possible leak pressurizing the entire system with compressor. Your
plumber did not do it? Now retroactively, pros use super sensitive
microphone to pinpoint even a slightest leak. That's all I know.
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