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Hi I am an apprentice with a Corgi Registered engineer - I myself am not working on this alone but assisting him. The Valliant bolier make is 828E Turbomax plus. I hope this helps. Best, Sav

Hi I am working on a Valliant Gas boiler thats two years old. It gives hot water when it is on but the central heating does not work. Second, the boiler remains on even when no hot water is being used. Now this could be because of some leakage which I have checked and there does not seem...