Bill,
There's a couple or 3 advantages to the newer water systems with a
demand pump:
1. The tank can be lighter, larger, and more flexible in shape. IE: a
large, rectangular, flat tank can be designed to fit under a low couch
or any other available space. The pressurized system demands a heavy
steel tank that's round to handle the pressure.
2. I suspect that the air compressors used in the pressurized systems
are somewhat more problematic than the demand pumps, but have no data to
support that.
The main thing is #1 above; it's easy to design and build a 30-gallon
(or larger) tank when it can be any shape that's needed to fill whatever
space is available.
The only advantage that I see to a pressurized system is that the
compressor/pump doesn't have to run every time you need a cup or 2 of
water. That's not a big deal to me.
<<Jim>>
Bill Scott wrote:
>
> Excellent reply Don Horn. My 61 Bambi has an air pressure water system
> and it works so well, I wonder why the system was changed to on demand.
>
> So,.........what's not to like???
>
--
<<http://www.oldengine.org/members/jdunmyer>>
<<[EMAIL PROTECTED]>>
<<lower SE Michigan, USA>>
<<mailto:[EMAIL PROTECTED]>>
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