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Hi, could anybody in the know tell me if combi boilers are fitted with a valve or system that limits the amount of hot water it can supply, so even if a shower or tap is demanding to much it will always run as hot as it can. Hope that makes sense the way i explained it. Its just that im...

Hi, have read a few posts like this but will ask anyway just incase the problems a bit different. My combi has worked perfect but over the last few weeks the pressure has been quite high (anything between 3.5bar - off the gauge) and the pipe outside my house has been dripping pretty much...