termopar acumulador vaillant 171189 vaso-de-expansión-de-membrana Bipolar switch for Electrolux and

Bipolar switch for Electrolux and AEG oven: select oven functions

DOMIPROJECT F24D-(31-05-2010)

WD10D520HK/08

CN337221DS

confirm compatibility by verifying the original board code and the exact model of your Fagor washing machine to ensure a perfect fit and avoid returns

termopar acumulador vaillant 171189 vaso-de-expansión-de-membrana Bipolar switch for Electrolux andThe thermocouple is a fundamental safety component in Vaillant storage boilers. Its main function is to detect the pilot flame and allow the gas to flow while it remains lit, ensuring the safe operation of the heating or hot water system. If the thermocouple fails, the boiler shuts off to prevent gas leaks. What problem does this replacement part solve? The boiler does not keep the pilot flame lit. The burner constantly shuts off during operation.