On Thu, Apr 7, 2011 at 8:46 AM, cdb <colin@btech-online.co.uk> wrote:
>
>
> :: This is for an experimental gray water heat exchanger device I have
> :: going. I appreciate the responses.
>
> As I mentioned in my post,
>
> This may do the job for you US$10.90. http://futurlec.com/Flow_Sensor.sht=
ml
>

Colin,
That looks like it may do the job fairly well. I will probably buy a
few and let everyone know how well they work.
Thanks.

--=20
Martin K.
--=20
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