RE: Orange SmartHome Sunday Times Article

["Kevin Hawkins" <lists@xxxxxxx>]

      I actually have one of these ! They are as
you say set to open when the
height of the water above the bath plug reaches a certain level and they
do
work. It would be very difficult to flood a bath with one of these
installed.

       My problem was that they have a substantial
hysteresis - once they trip
open they then empty to about half level before closing again. What I
found
was that I filled the bath - no problem - but when I got in and the
level
rose (ummm quite a bit) then it emptied it until I was sitting in a
puddle.
Very irritating.

      K

    > -----Original Message-----
    > From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
    > Sent: 14 May 2002 21:42
    > To: ukha_d@xxxxxxx
    > Subject: RE: [ukha_d] Orange SmartHome Sunday Times
Article
    >
    >
    > Chaps,
    >
    > The "Expert Verdict" supplement that
appears slipped inside
    > various other
    > magazines from time to time, features a replacement
bathplug
    > that prevents
    > overflow by using the weight of the water to push
open a
    > valve that is
    > normally held closed by a permanent magnet. Once
the weight
    > of the water in
    > the bath reaches a certain level, it is enough to
defeat the
    > magnet and it
    > opens the plug, as soon as enough water has drained
away and
    > the pressure
    > decreases, the magnet pulls the plug closed
again.
    >
    > This little miracle of automation technology cost
all of 9.99!!
    >
    > Paul G.
    >
    >
    >
    > >From: "Hawes,Timothy Edward (GEG)"
<haweste@xxxxxxx>
    > >Reply-To: ukha_d@xxxxxxx
    > >To: "'ukha_d@xxxxxxx'"
<ukha_d@xxxxxxx>
    > >Subject: RE: [ukha_d] Orange SmartHome Sunday
Times Article
    > >Date: Tue, 14 May 2002 10:06:01 -0400
    > >
    > >Kevin,
    > >
    > >Velleman (via M*plins) do a level detection
kit, I can't
    > remember how much
    > >it was but in the order of a few pounds, rather
than tens.
    > It would sit in
    > >the bath so not too pretty
    > >:-(
    > >
    > >Perhaps it could be combined with Keith's idea
so that it
    > sits behind the
    > >bath out of sight. Electrically operated valves
are readily
    > available, most
    > >are intended for industrial use so not priced
for the
    > domestic market.
    > >Maybe
    > >RS do some in 32mm or 40mm similar to the ones
Ian is using
    > for his garden
    > >irrigation.
    > >
    > >The company I work for regularly buys valves
from 1/2" to
    > 24" in all sorts
    > >of styles and materials. If you want to persue
it further
    > let me know and
    > >I'll see what I can find out.
    > >
    > >
    > >Cheers,
    > >
    > >Tim H.
    > >
    > >
    > >-----Original Message-----
    > >From: Kevin Hawkins
    > >
    > >     The Business section
(p13) of the Sunday Times has an
    > article about
    > >the
    > >Orange Smart Home. It concludes, not too
positively, that
    > SWMBO is probably
    > >right when she wants light switches rather than
touch
    > screens ! Overall AV
    > >came out as desirable and a smart bath, the
plug stays 'up'
    > until the water
    > >flow is at the right temp - and you can't
overflow it.
    > >
    > >     I must admit the
latter has happened here and just
    > after redecorating
    > >downstairs. Anyone got any good 'water level'
detection
    > ideas ? - I think
    > >most of them need a hole in the bath to an
outside pipe
    > although maybe you
    > >could dispense with the plug , fit an electric
valve instead
    > and tap off
    > >before it for the level sensor... hmmm got me
thinking now..
    > >
    > >     Kevin
    > >
    > >+
    >
    >
    >
    >
    >
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