>
>> 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?
>
Wizard's address is 
497 Ipswich Road, 
Trading Estate, 
Slough, 
England, 
SL1 4EP
tel: 0753 551555

Andy E.

A.C.Erskine@lut.ac.uk