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HBG8769S1B/35
SGD45E15EU/74 BOSCH
WD1450EE/02
Presence of noises or water hammer in the boiler due to air in the hydraulic circuit
2524 BX K1
flusostato caldera vaillant 194819 kennex HBG8769S1B/35The flow switch is a fundamental safety sensor in Vaillant boilers that detects the correct evacuation of combustion gases. This device controls the pressure or airflow in the evacuation system, ensuring that the boiler operates safely and efficiently, preventing possible dangerous accumulations of gases. What problem does this replacement part solve? Boiler does not start due to failure in detecting the flow of combustion gases Unexpected boiler
