A Vaillant branded spare, this fan is appropriate to be used in ecoTEC VUW (condensing) boilers. The fan introduces clean air right into a boiler`s combustion chamber, making sure that fueloline is burnt efficiently and extracting burnt fueloline on the give up of the combustion process. Your boiler’s protection parameters make certain that no fueloline passes via to the principle burner if the fan isn’t always functioning efficiently
