I have an Amptec heating system and sometimes the pump does not work so the syetm overheats and stops. The pump led on the Unit flickkers. Can we clocked up system cause this or a fault in the pump?
I have a central heating problem. The Amptec system switches on for 1 or 2 minutes then switches to alarm. The pipes are hot so I assume it is the pump. Will it matter that the pump is fitted on the...
