Bill,
Well, the best reason I can think of for replacing the pressurized
system is that the new RVs don't use it. Must be that the manufacturers
have all decided that the demand system is superior.
Blowing down our water system for Winter is very easy, just put one of
those Schrader valve adaptors on the City Water inlet and have at it.
The A/S had its pump on the opposite end of the coach from the city
water inlet so needed to be blown down seperately, but the pump itself
had a Schrader valve right on it. Took maybe 10 minutes to Winterize,
including dumping anti-freeze in the traps.
IF my old pressurized system was OK in all respects, I'd probably leave
it alone. However, if it needed work, especially if the tank was
leaking, I'd definitely replace it.
FWIW: my Thetford toilet in the Avion includes a hand-held sprayer that
is pressurized when you hold down the flush/fill pedal. It does a great
job of cleaning the toilet, using a lot less water than simply holding
the flush/fill pedal for a long period. We're fairly profligate with
water usage, but the black tank will easily go over a week, probably
could make 14 days.
OTOH: our 30-gallon fresh water tank is good for only a couple of days.
Much of that is due to my wife's insistance on using "real" dishes and
the water required to wash them.
<<Jim>>
Bill Scott wrote:
>
> Sorry Jim, the couple of 3 disadvantages, turned into 2, and both are
> incorrect.
> (1) The tank under my Bambi couch, is round, very light and made of
> Aluminum. It is 25 gallons, and more than adequate, for my needs. It
> easily holds 50 or 60 lbs, but the incoming regulator, keeps the
> pressure lower.
>
> (2) The little air compressor, has been without problems, and only needs
> to run, a few seconds, to generate the pressure needed to push a little
> water out at the sink. I have a hand held sprayer, for the toilet that
> works fine for flushing. It uses less water, and is handy in tight
> quarters.
> (3) Which you did not mention, is the ease with which, you can drain and
> blow the system, for winterization. I never hear that pump, come on
> with Click, Click, Click. It is a much better system, In My Humble
> Opinion. Come on Jim, you can think of more reasons. 8^)
>
> Bill Scott
> Charter Member and Membership Chairman
> Washington DC Unit, WBCCI #3221
> Our Homepage; http://www.servintfree.net/wbcci-dc/
>
> ------------------------------------------------------------------------
>
> Subject: [VAC] Re: Pressurized Water Systems
> Date: Thu, 15 Mar 2001 09:54:55 -0500
> From: Jim Dunmyer <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: Multiple recipients of VACList <[EMAIL PROTECTED]>
>
> 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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>
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