it doesn't have a room stat only the valves on the radiators and the external controls (digital clock) have never been used, we just turn the radiator valves up and down to control the temperature. Even as I type this it seems a bit strange but that is what we have always done without any...
Any help would be greatly appreciated. I have read all the other post but not really found anything out.
The combi boiler has been working fine and recently has stopped working with respect to central heating (Not a problem now it is summer but need to get it fixed).
The pressure is fine...