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Mend Home Heating Systems

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Mend Boiler If Off

My boiler in the cellar goes on even if the thermostat is all the way off?

I thought that the thermostat may be faulty so I disconnected it and the wires are hanging but not touching and it still fires up on is own
Where could the problem be?

Paul
September 2011
no bill i don't

paul
September 2011
Have you got a frost thermostat in the cellar near the boiler? Could be set too high or faulty

bill
September 2011
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Free repair help for home heating systems