There are two kinds of heat exchanger that can be installed, they are 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.
Supplier part number: 173545
Comes with o-rings and screws
Ideal Commercial EXCEL HE C24 C28 C32
Ideal Domestic EVO HE C22/35
Ideal Domestic ISAR HE 35 BEFORE XF
Ideal Domestic ISAR HE 35 AFTER XF
Technical specification
Waist Sizeaa57ci94gsTypePlateERP RatingNot ApplicableSupplier Part Number173545Brand NameIdeal Heating