Grunff presented the following explanation :
Harry Bloomfield wrote:

Might it not be possible to fit a second small tank at a higher level and
then pump the oil into that first using an automatic level switch to
control a pump?


But why on earth would you do that? That's crazy...

When looking for a solution, all possible options should be considered.

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Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.org