There are two kinds of heat exchanger that can be fitted, the primary heat exchanger and the secondary heat exchanger. The primary is present in almost all boilers and it transfers the heat from the burner to the water within the system. The secondary heat exchanger is exclusive to combination boilers and allows the heat to be transferred between two closed systems.
This part is present in 4 different boilers in the Worcester range including the Worcester GREENSTAR HIGHFLOW , GREENSTAR HEATSLAVE OIL, HEATSLAVE 26/32 OIL COMBI, HEATSLAVE 26/32 OIL COMBI
Supplier Part Number: 87154069750
Worcester GREENSTAR HIGHFLOW 440 FSN COMBI
Worcester GREENSTAR HEATSLAVE 18/25 OSO
Worcester HEATSLAVE 26/32 OSO
Worcester HEATSLAVE 26/32 RSO
Technical specification
Waist Sizeaa49cf57gxERP RatingNot ApplicableSupplier Part Number87154069750Brand NameWorcester Bosch