Vacuum pumps

[Andrew P. Lentvorski, Jr.]

On Dec 18, 2004, at 6:17 PM, Lan Barnes wrote:

> I'm shopping for a vac pump. The purpose is to drop the pressure
> in a 40 gal tank w/ 35 gal of vege oil at 150 deg F enough to pull all
> the water out in about an hour or two. I don't think it has to be all
> that powerful, and wouldn't want too high a vac for fear of collapsing
> the tank (a hot water heater).

If the vacuum does not need to be that high, what about a wet/dry shop 
vac?

-a