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Re: Whats the best vacuum (microns) you can get a system down to??
Posted to HVAC Forum on 8/31/2004 2 Replies

Hey Peter,

I would assume the altitude may have something to do with microns also. On a test 30 pound drum I can pull down to 10 microns overnight (With fresh oil) and the pumps rated at 15 microns so either I have a real good one or being below sea level he... Login to read more.

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