thanks for your comments mikeyd and all .. the link for the immersion boost helped find what im looking for .. initally the link I wanted to paste was this [http://www.tlc-direct.co.uk/Products/EK560Adash1.html] but only 400w rated .. since then the same supplier has this item which satisfies looks and function [http://www.tlc-direct.co.uk/Products/DNTLSW10ILM.html] ..
I presume you have mixed up the tags, as the first one looks as if it will do what you want (as slup had already said)
Thank you for for the thanks. Hopefully next time you have a DIY question here it will either be on a different subject or you will be lucky enough to not get any useless replies from the usual subject.
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