Nest to Vaillant

Discussion in 'Central Heating Forum' started by turbo, Jan 9, 2017.

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  1. turbo

    turbo New Member

    Hi Guys , just got myself a Nest Gen3 thermostat, but am a bit bewildered with these connections on my boiler.
    Its a Vaillant Eco Tec plus 837 with theVRC 470f controller. IMG_5242.jpg
    Any help would be appreciated , I am a electrician but not on boilers.
     
  2. ShaunCorbs

    ShaunCorbs New Member

    Sorry to say unless your gas safe you can't get access to the pcb as its breaking the law ;)
     
  3. rpm

    rpm Plumbers Arms member

    Hi turbo, frustrating as it is, it is all to do with casings forming a safe seal when removed and replaced.
     
  4. Chalked

    Chalked Plumbers Arms member

    If you have a vr70, why go for nest? They will fight each other :96:
     
  5. turbo

    turbo New Member

    Plan is to remove the vr 470
     
  6. APPlumbing

    APPlumbing Responsible Moderator...

    Plan should be to get a gas safe engineer in.
     
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