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hi please could you advise what i need to do my central heating wont go off the setting is set at off and the thermostat is set as low as the dial will allow

there is nothing on the boiler that i can see that will allow me to overide anything

any advice appreciated
 
Well if heating coming on with hot water ,propably heating motorised valve by- passing,if staying on all the time 24hrs probably micro switch stuck on heating motorised valve or valve its self stuck in open position due to faulty syncron motor
If combi boiler will be another fault,require model
 
turn the boiler of at the power/fuse, you could then try turn on again to see if the problem has cleared itself. otherwise call an engineer.
 
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