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Replacing room thermostat

Discussion in 'Electrics UK' started by Rafa, 29 Jan 2020.

  1. Rafa

    Rafa

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    Hi guys I need to replace my old Danfoss ret350p with drayton combi stat. I attach wiring photos below as I ve no idea. Never done it before . Thank you in advance
     

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  2. EFLImpudence

    EFLImpudence

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    Does your present unit have the link wire between L and 3?
     
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  4. Rafa

    Rafa

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    I dont know. Will be in the house tomorrow. What if it does or doesnt?
     
  5. EFLImpudence

    EFLImpudence

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    If it does all is well.

    If it doesn't it might be switching 12V or 24V - you will have to find out - from the boiler and your new one is not suitable for that.
     
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  7. Rafa

    Rafa

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    I will check it tomorrow. The boiler is atag a325c . I did buy the same danfoss stat just in case .
     
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