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Vaillant Combi Boiler F28 Error Code Not Fixed
On March 15, 2024, we bought a combi boiler from Vaillant Konacık Bodrum for my 80-year-old mother's house, and it still... doesn't work. When the boiler was unpacked, there were scratches on the Vaillant logo, giving the impression that the product was second-hand. When we reported this to the service
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