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DUETW822 MIELE
3VN502BA/40 3ER NIVEL BALAY
Refrigerated transport systems (trucks
Unexpected boiler shutdowns due to absence of flow signal
flusostato caldera vaillant 178990 arctic DUETW822 MIELEThe flow switch is a safety and control device used in Vaillant boilers that detects the flow of combustion gases. Its main function is to ensure that the fan or extractor is operating correctly before allowing the burner to ignite, thus preventing dangerous situations caused by inadequate smoke expulsion. What problem does this replacement part solve? The boiler does not ignite or shuts off shortly after starting due to a failure in detecting gas
