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Plumberpro, Home Appliance Technician
Category: Appliance
Satisfied Customers: 634
Experience:  Heating and hot water heating appliances experienced
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i have a 14 yr old glow worm ultimate, it keeps burning

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Hi i have a 14 yr old glow worm ultimate, it keeps burning the pcb out, it has had 3 replaced already, the last one was approx 2 yrs ago, but it has gone again. do you have any idea what could be causing this?
Plumberpro :

Hi , I would check you have no voltage on the earth connection in the boiler . also make sure there is less than 15volts from earth to neutral.

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