> Nice drawing Lee :-) but you want the cold water going in at the bottom and  
> out at the top. Wizard sell these things (complete with plans) so you  
> wouldn't have to bother making your own, although the stainless steel is a  
> nice idea. I think they are about 50 quid. You could use a low powered  
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  Andy, any chance of posting details on where to get these things?

> [stuff gone]
>  
> Andy E. 
>  
> A.C.Erskine@lut.ac.uk 
>  

cheers 
Marcus

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Marcus Grant
mty016@uk.ac.cov