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Vacuum Pump CFMs?

Posted: Sat Jul 18, 2020 9:56 am
by philipswanson
I am in the market for a new vacuum pump for my RV but I see them advertised from 150 cfm to 400 cfms. Is more better or is it just a question of the time it's hooked up?

Re: Vacuum Pump CFMs?

Posted: Sat Jul 18, 2020 12:11 pm
by bohica2xo
CFM has no effect on vacuum. High CFM pumps mean a technician spends less time evacuating large systems.

Re: Vacuum Pump CFMs?

Posted: Sat Jul 18, 2020 1:10 pm
by Tim
Dual-stage is more important in my opinion.

Re: Vacuum Pump CFMs?

Posted: Sat Jul 18, 2020 5:19 pm
by philipswanson
How do the dual stage pumps work?

Re: Vacuum Pump CFMs?

Posted: Sun Jul 19, 2020 6:59 am
by tbirdtbird

Re: Vacuum Pump CFMs?

Posted: Sun Jul 19, 2020 12:52 pm
by philipswanson
That's a great video......... Thanks for posting it.