maybe try a smoke generator like they used for vacuum leaks on cars?
Skip
At 10:18 PM 8/15/2012, you wrote:
>I recently moved my compressor out of the shop and into the tractor shed
>and ran about 30 feet of piping to connect to the new location. All the
>piping is 3/4" copper, sweated with soft solder. I now have a slow leak
>somewhere, enough that the compressor will cycle every half hour or so.
>I'm pretty sure the leak is in the new piping because it didn't leak down
>that fast before. Right now I have a valve where the line comes through
>the wall from the shed to the shop and I keep that closed most of the
>time, but I would like to find the leak. I can't hear anything, but that
>isn't surprising because my hearing is nothing like it used to be. I'd
>rather not climb around on a ten foot step ladder with a bottle of soap
>solution, either. So, the question is, does anyone know if you can rent
>ultrasonic leak detectors? The cheapest ones to buy are around $300, and
>I'd rather not buy one for a one-time job, since I don't do HVAC work.
>
>Thanks
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