Quote:
Originally Posted by dkveuro
Eh ?
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Basically moisture from compressed air will destroy a central air system in short order. I personally have never seen one leave a crater, I shire would like to see it.
Mobile systems are more tolerant to moisture, but sweeping the system with nitrogen helps blow out any moisture that was boiled out during vacuum. You really wouldn't think its there, but with a vacuum gauge you can really tell.