In message , Roger Hayter
writes
On 29 Oct 2020 at 18:52:34 GMT, "Tim Lamb"
wrote:
.


My suggestion was having a valve open a bypass pipe, and after a second or so
operate the diverter. No need to stop the pump.

OK. That should work. I may try the valve first as the plumbers fitted
one! Sadly in the wrong place!


--
Tim Lamb