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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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    aligarjon:

    Some wholesalers list them as spurs and some as fused connection units.    I have always known them as and referred to them as  spurs,  Interesting to know where the term comes from. It was certainly used 30 odd years ago when i started out.

     



    Same as "plugtops" I suppose; just a (silly) name that keeps being used.


    I would think that a fused spur - the cable - was confused with the FCU because it is the FCU which has the fuse in it.



    However, there is no indication in the OP as to what was actually being requested.
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  • 0

    aligarjon:

    Some wholesalers list them as spurs and some as fused connection units.    I have always known them as and referred to them as  spurs,  Interesting to know where the term comes from. It was certainly used 30 odd years ago when i started out.

     



    Same as "plugtops" I suppose; just a (silly) name that keeps being used.


    I would think that a fused spur - the cable - was confused with the FCU because it is the FCU which has the fuse in it.



    However, there is no indication in the OP as to what was actually being requested.
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