The Baxi Domestic Hot Water 20 Plate Heat Exchanger (7223558) is a replacement secondary heat exchanger designed for selected Baxi and Potterton combi boilers.
The secondary heat exchanger transfers heat from the boiler's primary heating circuit to the domestic hot water circuit, allowing hot water to be supplied to taps and showers. Its 20-plate design provides the heat transfer required for domestic hot water operation.
Suitable for a range of Baxi and Potterton appliances, this component is intended for boiler maintenance and repair.