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    Removing combi boiler pump head?

    I am trying to replace the pump head of my Myson Compact CP51. From all I can find on the web and the replacement instructions, all I have to do is remove the four corner screws and withdraw. However, at this point it will only come forward 10 mm or so. From the other pump I have I can't see...
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    Combi boiler lockout on overrun

    I've got a Potterton Combi 80 boiler. The central heating works fine. But whenever I run the hot water for an extended period (filling kitchen sink for example) When I have finished, the boiler over heats, makes some horrid gugling noises, steam comes out the top and goes into lockout. I've...
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