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Hi there,

The answer is that I don't know for sure. But I looked it up on some website and I think that I have a single pipe. The water passes through in series (but with a bypass) and not...

Hi,

A radiator began leaking a few weeks ago so I switched it off and left it because I was going away. When I went away I switched the Central Heating off and now I'm back, it won't work, the...