Worcester 87161157400 Heat Exchanger Assembly
£411.19 ex. VAT
?There are two kinds of heat exchanger that can be present, they are the primary heat exchanger and the secondary heat exchanger. The primary is present in almost all boilers and uses heat from the burner to raise the temperature of water within the system. The secondary heat exchanger is only present in combination boilers and allows the heat to be transferred from one closed system to another.