Kress v trend

[Jonathan]

I will go searching for the £5 pump and then I can show the wife.

Like this one:
http://www.ebay.co.uk/itm/WHALE-GP10...item335da4ae7a

However:

http://www.whalepumps.com/documents/183.05.pdf

...says 'Duty Cycle 30 min' per hour. Clearly they do work for longer than that ... is it worth the risk though when you could get one of these:

http://www.ebay.co.uk/itm/24w-Multi-...item2a160f5f37

The head on these pumps is not much, hence my suggesting you put the tank at about the same altitude as the spindle.