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  • Vaillant Fault Code. What Does it Mean?

    Vaillant Fault Code Vaillant high efficient boilers are now one of the most popular boilers being installed today. Like any boiler though, they have to be maintained annually to keep them working to their full potential. So when you get a Vaillant fault code suddenly appear on the boiler display, what should you do? Reading the manual that came with the boiler, you will see many [...]

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