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Seperate spurs for boiler and underfloor heating.

hertzal123
The customer asked for 2 spurs  in the boiler cupboard for the above.The uf heating engineer now wants to fire the combi boiler via voltage free contacts from his room stat and controls.

My thoughts are there should be 1 spur for both boiler and ufh.Or there could be signage to isolate both supplies before working .Any Thoughts?

                                                                                                                                                                                                                              Regards,Hz
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    Why are two spurs needed ? - and what happens if you isolate one or other half of the  heating system and not the other half.  It may be cleaner with one fuse and 2 switches though the volt free contacts mean it should not be an issue in practice. Clear labelling though would be certainly be needed.

    If it is more than 13A then 2 spurs side by side is not the brightest solution anyway.

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  • 0
    Why are two spurs needed ? - and what happens if you isolate one or other half of the  heating system and not the other half.  It may be cleaner with one fuse and 2 switches though the volt free contacts mean it should not be an issue in practice. Clear labelling though would be certainly be needed.

    If it is more than 13A then 2 spurs side by side is not the brightest solution anyway.

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