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I've just moved into a flat and want to get an electric shower fitted. The installation has passed a recent EICR done by the seller but warn that the current CU is a plastic type. There is sufficient room to fit extra breakers.

So that I can be best prepared when meeting the electrician, is it mandatory to have the CU changed for a metal one because of the new circuit being added or just advisable.
Money is tight after the purchase and I don't want to pay out if I don't have to. Thanks

[QUOTE="Bob Minchin, post: 555802, member: 37123"] I've just moved into a flat and want to get an electric shower fitted. The installation has passed a recent EICR done by the seller but warn that the current CU is a plastic type. There is sufficient room to fit extra breakers. So that I can be best prepared when meeting the electrician, is it mandatory to have the CU changed for a metal one because of the new circuit being added or just advisable. Money is tight after the purchase and I don't want to pay out if I don't have to. Thanks [/QUOTE]

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