I know nothing about boilers so I'm just going on by what I was told by a plumber and the British Gas engineer who came to service my boiler but didn't do anything as the house is being renovated and he said it was a health and safety issue!
So it's not a combi??? That doesn't really help my...
I bought a new house which we are renovating at the moment. The boiler and central heating / hot water was all working fine. Lately I noticed the central heating does not come on when it is selected on the control panel.
Thermostat is set correctly and clicks when the central heating is set...