Baxi 720011701 fan

This Baxi branded fan is for use in Baxi 100 He, 50 He, 80 He, Combi (Condensing), Platinum, Solo HE and HE A, Main HE A, Main Heat ErP, Gold, Gold ErP, Precision, Promax, Promax SL and Promax SL ErP boilers. The fan introduces fresh air into a boiler's combustion chamber, ensuring that gas is burnt correctly and extracting burnt gas at the end of the combustion process. Your boiler's safety parameters ensure that no gas passes through to the main burner if the fan is not functioning correctly.