On Wed, 30 Jul 2008 18:37:29 -0400, "Michael Kennedy"
wrote:

:
:Hmm.. Automatic Shower pump? What exactly is that? I'm not sure we have that
:here in the USA. Could you describe a little more? Even if we don't have
:them I could build one eaisly enough with a hdd magnet and a checkvalve and
:a gutted relay. Just don't know how reliable it would be.
:Thanks Arfa!
:
:Mike
:

There are a number of flow switches available but only those made of plastics
(Noryl) would be considered inexpensive. Gentech International make several
inexpensive (approx $50 per one) including the FS-01 and FS-02.
http://www.gentechinternational.com/...1&Series =158

Farnell, a UK parts distributor, is represented by Newark in the USA
http://www.newark.com/ If you type "gentech international" (without quotes) into
the search box you will get a complete listing including the FS-01 nad FS-02.