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A generous plumber neighbour sorted the F28 fault on our boiler which was a frozen condense pipe as suggested by two forum users. But we now have another problem. The pressure was fine when we restarted it, having cleared the condense pipe. But now it is much too high - right in the red...

Hello everyone. I'm a very novice DIY person. Our boiler has developed an F28 fault. We had the same problem in the snow last year. The pressure gauge was OK but I have checked it and restarted the boiler but it still keeps cutting out and going back to the F28 fault status. Does anyone have any...