On 04/04/2021 20:40, Tim Lamb wrote:
In message , Theo
snip
Water source is best, if you have a lake or river available.

I have a river:-)
Â*I suspect the EA may object to me extracting heat from it. Actually
warmer than spring fed due to upstream sewage treatment.



I don't see why in principle given it's being done up and down the
country by various councils.
--
Robin
reply-to address is (intended to be) valid