The Vaillant Heat Exchanger 0020210464 is a genuine Vaillant spare part with a Vaillant manufacturer's guarantee.The Heat Exchanger is a vital component that facilitates the transfer of heat from the burner to the water within a heating system. These parts are categorised into two separate types, the Primary Heat Exchanger and the Secondary Heat Exchanger. The Primary is found within almost all boiler systems whereas a Secondary is only found within Combination systems to allow the heat to be transferred between the two closed systems. Suitable for Vaillant Ecotec Plus VU and Ecotec Pro VUW appliances from 2015 onwards
