Hello, my Vaillant brand boiler, model 376/5, has exceeded my expectations. The wireless thermostat, on the other hand, has left me very unhappy. Since the beginning, I have repeatedly reported my issue to customer service representatives. I programmed the thermostat, but during power outages, it updates itself to January 1, 2010, at 00:00, causing the hourly programs to change. After each outage, I must manually intervene in order for the programs to function properly. When I'm not at home, the programs behave differently depending on the time. I've mentioned this issue at each maintenance visit, and while they inspect the thermostat, the problem remains unresolved, becoming apparent during the winter. I was even advised to replace the battery as a possible solution, but this did not work. Finally, I made resolving the thermostat issue a requirement for extending the warranty. The customer service representative assured me that it would be resolved and made a note of it for the maintenance team. The maintenance team, on the other hand, acknowledged the issue with these models and attempted to sell me a new thermostat. I want to believe in Vaillant, a company I trust, to find a solution to my three-year ordeal and keep their promise to resolve the issue for warranty extension.
We have been using our Vaillant combi boiler for about two years, but it consistently shuts off intermittently and goes into protection mode. Each time we call for service, the authorized technicians simply state that the boiler’s filter is full and leave without taking further action. Despite havin...
I use Vaillant ecoTEC Intro. We are in its 3rd year, and the problems start as soon as the warranty expires. The combi boiler was leaking water, its pressure was constantly dropping. They said the heat exchanger would be changed, they paid 3400 TL and replaced it, and there was no problem in that re...
In September 2020, I purchased a Vaillant VUM 18/24 AS/1-1 (H-TR) Ecotec Intro combi boiler for a total of 5,117 TL, including VAT. Unfortunately, the warranty on my boiler expired in October 2022. On June 17, 2023, during a severe thunderstorm with heavy rain in the 152 Evler neighborhood of Bursa,...
I've been using the Ariston Alteas One fully condensing combi boiler, and I called for a service appointment before the warranty expired in September 2023. When I asked about extending the warranty, both the service team and customer support said it couldn't be done. I've now encountered the gas val...
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