Fair point CBF. For the avoidance of doubt to anyone who might find this post useful in future, my references to HW tank mean HW cylinder.
The solution, as you both suggested was a mixer tap. I've got an antique french bath/shower mixer in which hot and cold meet in a central ball and then...
I have a plumbing problem and would be grateful of any help anyone can offer.
We had an attic conversion a year ago, and as part of it the builder moved the HW cylinder into a new airing cupboard in the attic. The header tank sits in the same cupboard at just over 3 feet above the top of the...