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HelenH · 12-11-2022

I am hoping someone can help. I am UK, not technical and will do my best to describe the problem.We have 3rd gen Nest ThermostatSystem Boiler (oil)Water and Heating work independently Everything has worked perfectly for a number of years with all thi...

HelenH · 03-01-2023

Yes... it was not the Nest that was a problem. It was the Motorised Zone Valve that turns the heating on and off. It needed replacing. The hot water one was fine, it was the heating one. Bit fed up, as we had already replaced it a year ago, but it we...

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Boiler won't turn off, heating on all the time

Re: Boiler won't turn off, heating on all the time