[permaculture] any biologists out there?

paul wheaton paul at richsoil.com
Sat Dec 19 20:15:16 EST 2009

> The solution of using a heat exchanger to keep the water used in the
> house, in human contact, out of the plumbing system of the heater
> element, i.e. the plumbing and apparatus that is in direct contact with
> the source of heat, would probably work to prevent contamination of DHW
> with the pathogen.

And lots and lots of permie sites use something much simpler.  As part
of a demonstration of living a simpler life.

I really like the idea of something simpler, provided that the
simplicity doesn't get people sick or dead.

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