Re: Whats the best vacuum (microns) you can get a system down to??

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Posted to HVAC Forum on 8/29/2004

Thanks for the reply Doug.

Pump is brand new but has been run-in according to instructions.

I can pull 19 microns if I connect directly to the pump and block the other connection.

With the older Robinair pump connected to the manifold and the micron gaug... Login to read more.