On Mon, 1 May 2006 10:03:26 -0400, "Robert Green"
wrote:

That's a very simple and interesting solution. Not sure it would pass
muster with the local US inspectors, but it's certainly got appeal for a
number of reasons. Thanks for the idea!

You won't get the water pressure that you would with one of the
presurized tanks... To get 40 psi, you'll need about a 90 ft water
column...