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Mend Halstead Ace High Gas Boiler Central Heating PCB Board

how can I fix my Halstead Ace High gas boiler?

My boiler seems to be turning to central heating on it's own without being programmed. I have checked the hot water side and that seems fine,would it be the PCB board or the time clock that is causing the issue?

John Gillooly
October 2014
HalsteadHalstead Ace HighHeating, Home Heating SystemsGas Boiler Central Heating PCB Board

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