My Viessmann combi boiler's expansion tank malfunctioned for the second time, prompting the company to recommend a replacement. Due to the significant costs involved, I decided to seek a second opinion from another technician before proceeding with the repair. Upon inspection, the technician discovered that the expansion tank's valve had simply loosened, a minor issue that could have been easily remedied.
Astonished by this revelation, I contacted Viessmann's headquarters, expecting them to take responsibility for the faulty installation and cover the repair costs. However, their response was dismissive, stating that I needed to replace the "aged and non-functional" parts. This response is not only insensitive but also indicative of a company that shirks its responsibilities.
Such negligence towards customer satisfaction is disheartening and reflects poorly on the Viessmann brand. It is crucial for companies to prioritize customer needs and address issues promptly to maintain a positive reputation and customer loyalty. Viessmann's failure to do so is not only damaging to their brand image but also deeply frustrating for their customers.
The boiler I bought only 3 months ago malfunctioned. I called the service, they came the next day and looked at it. They said that the hose inside the boiler was defective. The fact that the 3-month-old hose was punctured in such a short time is already meaningful. They said they would order and ins...
When the heat pump in our Daikin boiler failed, we contacted their service department and were told that the expansion tank needed to be replaced. We expressed our concerns about the cold weather, as well as the presence of sick elderly family members and young children, and asked that the service t...
Purchasing a Viessmann boiler has been a regretful experience. Despite being a brand-new device, it has displayed a different error every day since we bought it just a week ago. When I contacted customer service, they told me a technician would come within three business days. Meanwhile, it’s freezi...
I bought a Viessmann boiler two years ago, and after only two winters of use, it’s already broken and no longer heating the radiators. The warranty expired in May 2024, just five months ago, and now the product is unusable. I’m incredibly disappointed that a new boiler from a reputable brand would ...
On 12.02.2025, our Viessmann boiler with serial number 7514912401447100 displayed an F5 fault, so we called the service center at 444 9092. They informed us that a service request had been created and that we would receive a call. On 13.02.2025, I contacted Çakmak Technical Services at 0212 660 07 7...
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