I'm moving into a bungalow that has a 7 year old back boiler and tank
working flawlessley. We will be adding 2 showers, 1 bath, 5 radiators
and a towel rail once extension is completed.
To enable staging of the work (we will be living in the house while
doing the work) I was thinking of keeping the back boiler and adding a
The question is - what do i run off the combi and what off the existing