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I have had a 250l horizontal tank installed in the loft, my question is it has two 3kw immersions is one enough to fully heat the tank or is it best to use the two? the tank is also supplied with only one, I had two just in case of a failure. Thanks for any pearls of wisdom :)

Hi all, I have a problem with the wiring center! it all works to a large extent but! when the Hive switches on the HW it overrides the tank stat which is not calling for heat and 240v appears on the brown wire on the 2 port valve. I have cut all the requested links for an S plan system. Any...