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    FERROLLI 77FF CH BOILER NOT GETTING ABOVE 40 ON TEMP DIAL

    BG eng changed pcb before xmas as DHW not heating when calling, made no difference, although by fluke it started working, but failed day after, noted when i moved the connecting cable to flow switch whilst calling for water that relay clicked in and DHW delivered, obv connection problem, latest...
  2. S

    FERROLLI 77FF BOILER CH TEMP NOT RISING ABOVE 40

    BG eng changed pcb before xmas as DHW not heating when calling, made no difference, although by fluke it started working, but failed day after, noted when i moved the connecting cable to flow switch whilst calling for water that relay clicked in and DHW delivered, obv connection problem, latest...
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