Alpha Fan 1.027178 is the device that introduces fresh air in to the combustion chamber,allowing the gas to be burnt correctly it also extracts the noxious gas after the combustion process is complete. The boiler has safety parameters in place to make sure no gas can be passed through to the main burner if the fan is not functioning correctly.Alpha 1.027178.
Alpha Fan 1.027178 is a Genuine Alpha Spare Part and is present in different range of boilers, including the Alpha InTEC 12S, InTEC 18S,InTEC 24X, InTEC 26C, InTEC 28X, InTEC 30C.
Always refer to manufacturers instructions, and use Genuine Alpha Parts.