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  • Boiler/Heating qu
  • NZCol
    Full Member

    Don’t know much about how they work – thermostat / controller off for hw and heating, boiler still running showing little rad icon and house hotter than the sun! It’s like controller not talking to boiler ?

    tjagain
    Full Member

    sounds like it – or a fault in a diverter valve as IIRC they have micro switches in them that turn the boiler on and off

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