The Sime part is located within the heat exchanger section. There are two kinds of heat exchangers that can be found within the heating unit, the primary heat exchanger and the secondary heat exchanger. The primary is present in almost all boilers and it allows the transfer of 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 one closed system and another.
Fits multiple appliances
Technical specification
ERP RatingNot ApplicableSupplier Part Number6278912Brand NameSime