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Hi, I have recently replaced a conventional boiler with a combi one about 2.5 months ago, and was a little bit worried about leaking when changing from low to high pressure system. And I used the 4 weeks' of holiday to test it - by turning off the mains water supply 4 weeks ago, and check if...

Hi, This is my first post so please accept my apologies if this is not following the rules strictly:) I have recently replaced my 20 years old Marathon 400/500B floor standing boiler to a Worcester 30i, which is fantastic giving hot water and heating efficiently. However I discovered a small...