ventilador caldera vaillant 20073798 400 ml Este recambio llega en color

Este recambio llega en color azul

normalmente indicado en una etiqueta situada en el marco de la puerta o en la parte trasera del aparato

KCB29705NF-S/10

3VS504B01 BLY

ventilador caldera vaillant 20073798 400 ml Este recambio llega en colorThis extractor fan is an essential component for the proper operation of Vaillant boilers. Its main function is to extract combustion gases and ensure adequate internal ventilation, preventing smoke accumulation and ensuring the boiler's efficiency and safety. What problem does this replacement part solve? Boiler that does not properly evacuate combustion gases Excessive noise or vibrations in the extraction system Unexpected boiler shutdown due to