On 12 Feb, 13:43, "Andrew Mawson"
wrote:
Anyone any experience of a domestic pumped sewage systems where the
"effluent" is pumped from a lower holding tank up to the main sewer in
the road? A bit like an enormous macerator I suppose.

I'm contemplating buying a house with such a beast (make / model / age
unknown as yet).

AWEM

Take a google at Flyght Pumps. They are one of the better
manufacturers for this sort of device and have a long established
experience base in all things involving pumping **** amongst other
nasties