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HB257G2S0/03 SIEMENS
HA 845 STAINLESS STEEL E00 VR02 41553710 TEKA
31800265 HBWD 7514DA
SBI46IS00H/31 SWISS EDITION BOSCH
500-02 DUO QUELLE
cable valvula vaillant 20270733 boquilla-vapor HB257G2S0/03 SIEMENSThis adapter cable connects the priority valve in Vaillant boilers, allowing proper control of gas or water flow depending on the model. It is essential for the efficient and safe operation of the boiler, ensuring that the valve responds correctly to system signals. What problem does this replacement part solve? Failure in activating the priority valve Interruption or malfunction of gas or water control in the boiler Damaged electrical connection or
