For the past few months our potterton oil boiler has gone onto overheat every few hours. We have turned the thermostat on the boiler down but it has no impact.
If anybody has got any advice on what we should now try that would be much appreciated.
Could it be the overheat thermostat?
Regards
Nigel
If anybody has got any advice on what we should now try that would be much appreciated.
Could it be the overheat thermostat?
Regards
Nigel