Bosch Fan WORCESTER GREENSTAR 25 30 R25 R30 HE COMBI FAN 87161164740 WAS Bmw Fan Energy Efficiency Rating: A+++, Type: Boiler Parts, Manufacturer Warranty: 1 Year Direct Sale, Repair Service, Advance Replacement Service., ”, Brand: Worcester, Heating System: Boiler Refurbished to comply with BSI KiteMark & BSI ISO 9001:2015 Quality standards.