boiling noise when switching off
You are correct that the TCO is working ok. if the shower continues to cut the TCO in then it will eventually stay cold and not reset.
It does sound like one of the micro switches that shuts down the elements is faulty, and this is why you can here the boiling noise after you have switched the shower off.
You will need to check items 7 / 8( Micro switches) from the spares list in this link provided - www.showerdoc.com/mira-elite-st-shower-spares
Answered 7 years ago by Anonymous
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Mira Elite ST Shower Spares
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