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I would be glad for help on the issues my boiler is currently experiencing. The central heating works fine, no issues with burner or temperature. However when the HW is turned on the burner comes on for a short while then switches off. It will then come on again after 2-4 minutes but only...

I have a Potterton performa 24 bolier and there is a problem with the DHW. When the DHW is switched on the pin stays retracted in the pressure differential valve, hence the micro switch is not activated on so no DHW. There is a small water leak from the differential valve coming from where the...