The Worcester Bosch fan assembly is the device that pushes fresh air into the combustion chamber and allows the gas to be burned correctly. It also clears the combusted 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 operating correctly.
It comes complete with screws
Technical specification
Manufacturer Model No87161216810Brand NameWorcester BoschCompatible With28 i RSF and 28I NG FSN COMBI
Reviews
Worcester Bosch 28I FSN Combi Fan Assembly 87161216810