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Recent content by Andy_Cov

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    Nest install advice

    Thanks - just what I was looking for. Did a bit more investigation on my system earlier and discovered the wiring centre behind the hot water cylinder on the top floor. Not so good was the moment when I opened it up and discovered that the internals had never been fitted and it was effectively...
  2. A

    Nest install advice

    Misremembered the earth - there isn't one. It's just the common that I have a question on.
  3. A

    Nest install advice

    Normally, I'd do this, but the Nest has five connections - live, neutral, call for heat, common and earth. Reading around, it seems that common is a low-voltage live. I don't have this, but can't help wondering if this only applies where the switching circuit doesn't run at mains voltage. Do I...
  4. A

    Nest install advice

    Hi, I'm currently contemplating replacement of my room thermostat with a Nest thermostat, but I have a quick question about installation. I currently have an Ideal Icos HE12 boiler, with a Drayton 522 timer. The room stat is a Drayton RTS1, and is mounted about 15m from the boiler. There are...
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