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Does anyone know what an F.61 code on a 10 year old Vaillant eco tec boiler could be due to? : r/DIYUK
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F61 Vaillant fault code - What does F61 mean on a boiler & how to fix!
![F61 Vaillant Boiler Fault Code Explained [And What to Do Next]](https://cdn.heatingforce.co.uk/wp-content/uploads/2019/07/Vaillant-f61-fault-code.png "F61 Vaillant Boiler Fault Code Explained [And What to Do Next]")
F61 Vaillant Boiler Fault Code Explained [And What to Do Next]
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