The Worcester Bosch 87161066850 Heat Exchanger is a genuine replacement component engineered to transfer heat effectively from the combustion process into your boiler’s central heating and hot water circuits. Constructed with 14 precision-engineered plates, this plate heat exchanger provides a large surface area for efficient thermal exchange, helping maintain stable system temperatures, responsive hot water delivery and reliable performance under everyday demand. When the heat exchanger becomes worn, blocked or corroded, symptoms such as reduced heating output, fluctuating hot water temperatures or boiler fault codes can occur, so fitting the correct OEM part is essential for restoring dependable operation.

This 14-plate heat exchanger is compatible with Worcester Bosch Greenstar and CDi series boilers that specify part number 87161066850 in their technical documentation. To ensure correct fitment and optimal performance, always verify the part number on your existing heat exchanger or consult your boiler’s service information before installation, as designs and connection formats vary by model and system configuration.

Supplied ready for direct replacement, the 87161066850 Heat Exchanger integrates seamlessly with the boiler’s existing pipework connections and mounting points without modification when installed by a qualified engineer. Choosing this genuine Worcester Bosch component helps restore efficient heat transfer, consistent system temperatures and dependable central heating and hot-water performance in compatible Greenstar and CDi boilers.