sonda ionizacion caldera roca 125424200 purgador automático Includes the Vaillant 3-way valve

Includes the Vaillant 3-way valve

PS437911733006 Electrolux

Reference: M0S11898 (previously M0S04135)

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sonda ionizacion caldera roca 125424200 purgador automático Includes the Vaillant 3-way valveThe ionization probe is an essential component for the safety and proper operation of gas boilers. Its main function is to detect the presence of a flame in the burner by capturing the ionization current generated by combustion. This allows the system to control ignition and prevent gas leaks by cutting off the supply if no flame is detected. What problem does this replacement part solve? The boiler does not start or shuts off shortly after ignition