There are two variants of heat exchanger, which are the primary heat exchanger and the secondary heat exchanger. The primary heat exchanger, installed within almost all boilers enables the heat transfer from the burner to the water within the system.
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Technical Specifications
TypeHeat ExchangerCompatible With25 Si LPG, 25 Si, 24 i Junior, 18 i System, 18 i System LPG, 24 i System, 24 i System LPG, 24 i Junior HE and 24 i Junior HE LPGSupplier Part Number87161066860Brand NameWorcester Bosch