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Boiler wiring for thermostat

Discussion in 'Plumbing and Central Heating' started by Claire1999, 2 May 2020.

  1. Claire1999

    Claire1999

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    Hi was having a look at the wiring for my boiler (baxi duo tec a 24) to see if a nest thermostat would be suitable.
    My currant thermostat has a mind of it own.
    The wiring doesn't look right to me, just popping it all in a terminal strip together. 20200502_100554.jpg
    Normally my dad would have a look (he was a electrician) but he's isolating, So I dont want to ask him, as he will want to come and sort it out if it's wrong.
    20200502_100930.jpg
    20200502_115306.jpg would be grateful for any advice :)
     
  2. Chris_W

    Chris_W

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    Hello Claire,

    You could use some wago connectors, but the terminal strip is acceptable. All you need is power to feed the receiver, a common (additional live) and a call for heat (yellow from thermostat into grey for the boiler).
     
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  4. Claire1999

    Claire1999

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    Thank you
    Think I will just tidy it up.
    As I'm not going to be hard wiring the thermostat in, could I just use the feed for the old thermostat to the heat link and add a loop from Live to 2? (Plus I just love drawing diagrams ) 20200503_171735.jpg
     
  5. Chris_W

    Chris_W

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    I can see that :D
     
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  7. Chris_W

    Chris_W

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    Sorry, didn’t answer your question, yes it’s fine to use the old connections in the heat link.
     
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