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Hi, my wife told me the boiler wasnt working today so I had a look and saw there was no pressure in it! And it was displaying error code E5. I have filled it up to 1.5bar and reset the boiler. It will only go so far through its start-up checks and then says E5. I looked in the peep-hole inside...

Hi, If a combi boiler is constantly run with too high a pressure, what are the long term affects? Basically my old landlord is accusing me of wrecking his boiler by having the pressure too high. He has shown me a bill from an engineer saying that he had to replace the pressure relief...