>
> I sent this email quickly last night then realized that I didn't
> specify anything. I want to measure the flow rate of potable water in
> a (<1" diameter) pipe. The temperature may be 55 - 90F and the static
> pressure is whatever normal household municipal water is. I'm thinking
> it's between 35 and 65 PSI.
>
> It doesn't have to be easy to install. I've got full control over all
> the plumbing here (there's a joke in there somewhere.)
>
> This is for an experimental gray water heat exchanger device I have
> going. I appreciate the responses.
> --
> Martin K.
> --

Ok, looks like you've gotten more than a few good suggestions about
flow meters, hard to argue with the $10 option. :-)

But as far as gray water heat exchangers goes.... there's plenty of
people before you:

http://www.energysavers.gov/your_home/water_heating/index.cfm/mytopic=3D130=
40

-Denny
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.