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Reference: M0S11898 (previously M0S04135)
HA744231U/01 SIEMENS
it is recommended to verify the compatibility of the electrode with the original code 7829798 and the exact Viessmann boiler model to ensure a proper replacement
Includes the Vaillant 3-way valve
WAT284E3FG/22
sonda ionizacion caldera roca 125424200 purgador automático Reference: M0S11898 (previously M0S04135)The 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
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