Worcester Bosch Pump Assembly  8716117400 

The Worcester Greenstar Pump or more commonly known as a (Circulating Pump) is designed for circulating water around the system through the primary and secondary heat exchangers, the water that is circulating is heated up and then transferred through radiators within the home or to the hot water tap. 

This Part Fits the following : 

Worcester GREENSTAR ERP SYSTEM 9I

Worcester GREENSTAR ERP SYSTEM 12I

Worcester GREENSTAR ERP SYSTEM 15I

Worcester GREENSTAR ERP SYSTEM 18I

Worcester GREENSTAR ERP SYSTEM 21I

Worcester GREENSTAR ERP SYSTEM 24I

Worcester GREENSTAR ERP 25I

Worcester GREENSTAR ERP 30I