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View the thread, titled "Pump staying on at night. Faulty PCB relay or HPA2 m/switch - or ?" which is posted in UK Plumbers Forums on UK Plumbers Forums.
So they need an engineer to diagnose properly. Then they go from there.
Roger that Harvest. At least it was worth trying to get a diagnosis via the Forum. Thanks everybody for chipping in.
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Reply to the thread, titled "Pump staying on at night. Faulty PCB relay or HPA2 m/switch - or ?" which is posted in UK Plumbers Forums on Plumbers Forums.
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