thanks, my tank also has a 'manual override switch' which has 'Auto' or 'Mid' positions. it is currently set to auto , could this be causing any problems? i am sure i have never moved the position but it may have been knocked in the past
Hi, i have recently moved into a new house. I have a Potterton EP2002 boiler which you can program the central heating and hot water to come separately at different times.
It has been working fine until recently - now when i turn on the CH the HW heats up as well, even though the HW tab is...