On Jun 3, 8:12*am, The Night Tripper wrote:
Hi David

David WE Roberts wrote:

[lots of good stuff snipped, thanks]

You may be 'polishing a turd' if you just modify the pipework without
confirming that the hot water tank is functioning correctly.

fair point, well made. In some ways I would like a stop gap until the back
boiler needs replacing and we (probably) re-do with a new boiler in the
loft. I'm conscious that my plans are probably over-ambitious for this *
stopgap situation. I *really* don't want to take the tank out though ;-(.

Hmm...

* * Cheers
* * J^n

Well, it will have to be done. Whatever course of action you decide
upon.