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Replace EP4002 with nest - advice

Discussion in 'Plumbing and Central Heating' started by Andrew Whitehurst, 20 Oct 2021.

  1. Andrew Whitehurst

    Andrew Whitehurst

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    F7C6D88E-AF7A-4397-8612-5CD2646AA3A1.jpeg

    Can anybody please advise me on where the wires I currently have would go on a Nest Heat Link. Mainly the grey wire which I believe is the signal wire to the combi boiler for central heating, the red and yellow wires are from the battery powered thermostat.
     
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  3. CBW

    CBW

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    Are you sure it’s not grey and yellow for the room stat? If you’re unsure, I think it’s just a parking terminal, so linking them up in a connector block in the Nest would do exactly the same.
     
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