"Peter" wrote in message
...
Thanks,

The problem I find with Google on generic keywords like this are that
it throws up a squillion hits.

I did find this solenoid operated WC flush mechanism:

http://www.contour-showers.co.uk/acc_touch_sensor.php

..
Interesting but expensive, I wonder how accessible the adjustable timer is?
as one would require to adjust it depending on the use you had made of the
Loo.
Just an observation.
Tom