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the original temperature sensor on the OMWL Dream reducer lasted 4.5 years. At the service center they replaced it for 1000+300 rubles, where 1000 rubles is the cost of the sensor itself. The warranty on it is 3 months. After 2 months it broke again. They gave me another one for free. On the Internet, in the search for Poison, I found a link to the Drive2 website where everything was described in an article. So I did it myself with an investment of only 30 rubles.