This part is also known as the primary heat exchanger or heat engine and allows all the heat from the burner to transfer heat to the central heating water safely. It sits at the top of the Chaffoteaux boiler in non-condensing boilers and is located in the centre of the Chaffoteaux boiler in newer energy efficient boilers.
Chaffoteaux 566098 Heat Exchanger

Part: 566098

Price: £99.72
Chaffoteaux 573435 Main Exchanger

Part: 573435

Price: £298.24
Chaffoteaux 998893 Main Exchanger

Part: 998893

Price: £242.50