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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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    Fused Connection Units (FCUs) were often referred to as Fused Spur Units (FSUs) in days gone by - because of their traditional use of creating a fused spur from a ring circuit (either to feed an appliance or a group of sockets). Obviously they can also be used in other ways too (not necessarily at the start of a spur) so Fused Connection Unit is clearly a better description, but rather like 'bulb' instead of 'lamp' it should be reasonably clear in context what's meant.

      - Andy.
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  • 0
    Fused Connection Units (FCUs) were often referred to as Fused Spur Units (FSUs) in days gone by - because of their traditional use of creating a fused spur from a ring circuit (either to feed an appliance or a group of sockets). Obviously they can also be used in other ways too (not necessarily at the start of a spur) so Fused Connection Unit is clearly a better description, but rather like 'bulb' instead of 'lamp' it should be reasonably clear in context what's meant.

      - Andy.
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