In article ,
Jerry. wrote:
Not if correctly installed, there will be a 22mm hole for a 20mm pipe and
not a whacking great 50mm hole for a 10mm pipe IYSWIM !...

If you combine the holes for the waste and fill, you should be able to get
the mains plug through that first.

--
*When companies ship Styrofoam, what do they pack it in? *

Dave Plowman London SW 12
RIP Acorn