electrolytic

My magnetic scale inhibitor is coming to the end of its 10 year life and needs replacing. This is attached to the pipework just before the combi boiler. I have a few questions that I'm hoping someone will be able to answer. Should I replace it with another magnetic inhibitor or change it to a...

Hi all, Some years ago I installed a brass valve on a hot water pipe just after the heater. It's developed a lot of corrosion - see pic. Almost certain I was told by the vendor that brass to copper was ok. Anyway, I'll replace the valve. Should I install a dielectric union to prevent this...