Quote:
Originally Posted by crownarch
I have a 3 gal. aluminum pressure tank with a valve that I pull a vacuum on and then using a hose off my gauges I hook my tank to my system. Between the pressure in my system and the vacuum on my tank I am pretty much assured that all goes into the tank. I then take my tank to my buddies A/C shop and he re-coups it.
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Now immerse the tank in dry ice and we're talking.