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Boiler issues

Former Community Member
Former Community Member
We have a Potterton Combi boiler, it was losing pressure. Engineer replaced the diverter valve and said it was corroded. It worked fine for a few days before making a loud banging noise for s few minutes which stopped when the sink taps were on. It was ok for a couple of days and then went off completely. The engineer says the circuit board needs replacing but I'm wondering what caused the issue with the circuit board & whether it will just blow again. I think the boiler is about 8 years old. Any advice welcome.
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    AJJewsbury:

    I'd be slightly wary of lubricating a boiler fan - these day's they're often located in the 'outgoing' side of the airway (so that the boiler operates at below atmospheric pressure, so any leaks in the seals mean air from the room leaks in rather than fumes leaking out into the room) - but that means they're in the full exhaust - so likely very high temperatures to deal with (even modern boilers aren't always in condensing mode) as well as chemical attack from NOx and other products of combustion.

       - Andy.


    That design sounds like a disaster waiting to happen.


    Boiler Fan Repair Ideal Gloworm Bosch Worcester send £3 to moscowgaff@gmail.com for bearing kit - Bing video

    Z.


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  • 0
    AJJewsbury:

    I'd be slightly wary of lubricating a boiler fan - these day's they're often located in the 'outgoing' side of the airway (so that the boiler operates at below atmospheric pressure, so any leaks in the seals mean air from the room leaks in rather than fumes leaking out into the room) - but that means they're in the full exhaust - so likely very high temperatures to deal with (even modern boilers aren't always in condensing mode) as well as chemical attack from NOx and other products of combustion.

       - Andy.


    That design sounds like a disaster waiting to happen.


    Boiler Fan Repair Ideal Gloworm Bosch Worcester send £3 to moscowgaff@gmail.com for bearing kit - Bing video

    Z.


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