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Hi all Keen DIY'er here. By no means an expert. I am planning to install a Fernox TF1 (the metal one) on my old system. Having flushed the system (drained, refilled, treated) several times approx 5 years ago (system is 22 years old) I know that it is due to be done again. Easy enough. I...

Hi all. any help is gratefully received! I installed a Nest (DIY) back in October but I have since realised that it was not working as expected. It does not seem to be using the tank stat and hence I suspect that I am using a lot of gas. Not good at the moment. It was also not firing the...