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Hi All, I was taking up floor boards today and i have sawn/grazed one of the central heating pipes in the process. There is no leak but there is about a few mm graze/cut in the pipe and i was wondering what the best action was. Is it safe to ignore/leave or does it require filling with...

Hi All, I have a thermal store which is heated by the boiler. A second pump also circulates this to the CH. A coil with blend valve provide the HW. It's been rumbling recently (localised boiling? sludge/scale perhaps in the bottom?) and after some research appears it requires either...

Hi All, I have a thermal store which provides combined hot water and central heating. It's been rumbling recently and after some research it appears it requires de-scaling. I have tried X400 followed with X200 + X100, but that fixed it for a short period. But i read on the forums that...