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  1. M

    Potterton Suprima tripping out

    In my case, when the cover open the boiler burn nicely, when the cover close, the flume stop and red led flashing. I turn the gas jet quaterly clock wise. the boiler burn perfect. (I bought 2 termometer spring clip to the out put pipe and return pipe to watch the result. out 60c the boiler red...
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