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Question about Who can do what and minor works certs

Former Community Member
Former Community Member
I have a couple of questions regarding small electrical works in a house, who can do them and whether a minor works cert is needed.

 

im trying to nail down an answer to the following. 


i) Can a plumber / non-electrician  replace a broken immersion heater in a water cylinder. i.e. unwire old one from the fused spur and wire in new one to fused spur? Is an qualified electrician needed? Is a minor works cert needed?


ii) With regard to replacing a like for like electric shower in a bathroom that has broken….can a plumber / non-electrician do this? Or is a plumber needed for wet part and electrician for electric side. Again, is a minor works certificate needed.


iii) With regard to replacement of a central heating component such as a zone valve or cylinder stat….is a minor works cert needed ? Can this work be undertaken by a plumber / non-electrician?


I’m trying to work out what plumbing works can be undertaken by anyone / a non-electrician and what works require both trades.


in the plumbing / heating trade there is cross over. 


Many thanks for your time
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    Covguy:

     A shower in the bathroom is not something I would undertake even like for like.  Central heating pumps, zone valves etc I’m still unclear about  as these are not connected directly to the circuit. Are they part of an appliance? Similar to a white goods engineer replacing parts in a fridge or washing machine? 


    Problem with a shower is that the cable may not be big enough and I see no particular reason why a plumber should be familiar with comparing the load against the current carrying capacity. This might be all the more important when an older shower is replaced because the new one may be more powerful.


    I do not regards CH pumps, etc. as being similar to the components of white goods.


    I can see that in a new build a plumber might install the pipes, etc. and then a sparks provides the electrical supply and connects all the wires; but who does the commissioning? Clearly, the plumber is going to fill the system and check for leaks, but the sparks needs at least to be available at short order in the event that the electrical bits do not function as expected.


    By contrast, IMHO, it would be disproportionately expensive to involve two trades for the replacement of a single item. So if you are lacking confidence about the electrical side of heating systems, perhaps you could engage with the sparks when a new system is installed so that you become familiar with how it is put together.


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  • 0
    Covguy:

     A shower in the bathroom is not something I would undertake even like for like.  Central heating pumps, zone valves etc I’m still unclear about  as these are not connected directly to the circuit. Are they part of an appliance? Similar to a white goods engineer replacing parts in a fridge or washing machine? 


    Problem with a shower is that the cable may not be big enough and I see no particular reason why a plumber should be familiar with comparing the load against the current carrying capacity. This might be all the more important when an older shower is replaced because the new one may be more powerful.


    I do not regards CH pumps, etc. as being similar to the components of white goods.


    I can see that in a new build a plumber might install the pipes, etc. and then a sparks provides the electrical supply and connects all the wires; but who does the commissioning? Clearly, the plumber is going to fill the system and check for leaks, but the sparks needs at least to be available at short order in the event that the electrical bits do not function as expected.


    By contrast, IMHO, it would be disproportionately expensive to involve two trades for the replacement of a single item. So if you are lacking confidence about the electrical side of heating systems, perhaps you could engage with the sparks when a new system is installed so that you become familiar with how it is put together.


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