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    Heatline Vizo 24 air pressure switch problem

    I did not replace these items myself. I wouldn't work on the boiler. I have been advised by another engineer, it's probably the fan. The other engineer put the air pressure switch and PCB on them. I would never put my family at risk.
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    Heatline Vizo 24 air pressure switch problem

    Hi all, I have had a bit of a bad day. I have an air pressure warning switch problem today. It was replaced and and also the pcb, but the warning light still blinks on and off. I'm thinking it could be the fan but I don't want to throw any more parts at it. the fault diagram dosen,t help...
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