Recent content by MarkTCNorthy

Thanks, looked through your old posts was it the post on the 40ff re clattering sound so change the PCB?

Can anyone tell me what is faulty on my boiler, the pump does not stop running even without any demand and about 10mins after the end of demand or thermostat reaching the desired temperature the boiler starts to make a lot of quick noise that only stops once the power has been turned off? :?: I...