Been poking around the different Distilling Forums tonight seeing whats of interest and found these.....maybe ya seen them, maybe not.
Gotta be a few uses for these in distilling and they don't cost an arm and a leg.
Shame they are in Hong Kong.
http://www.ebay.com.au/itm/DC-12V-24V-Solar-Hot-Water-Circulation-Pump-Brushless-Motor-6-5L-Min-10L-Min-/191065696086?pt=LH_DefaultDomain_15&var&hash=item2c7c672756&_uhb=1