The Worcester Bosch 87161066860 Heat Exchanger is a genuine replacement component designed to transfer heat efficiently from the combustion process into your boiler’s central heating and hot water circuits. Built with 10 precision-engineered plates, this plate heat exchanger provides a large surface area for effective thermal exchange, supporting consistent temperature delivery, improved energy efficiency and reliable performance under everyday domestic load conditions. A worn or blocked heat exchanger can lead to reduced heating output, fluctuating hot water temperatures and boiler lockouts, so fitting the correct OEM replacement helps restore dependable operation.

This 10-plate heat exchanger is compatible with Worcester Bosch Greenstar series boilers that specify part number 87161066860. To ensure proper fitment and performance, always verify the part number on your existing heat exchanger or consult your boiler’s service documentation before installation, as heat exchanger designs vary by model and system configuration.

Supplied ready for direct replacement, the 87161066860 Heat Exchanger integrates seamlessly with the boiler’s existing pipework connections and mounting points without modification. Installing this genuine Worcester Bosch component helps restore efficient heat transfer, stable system temperatures and dependable performance in compatible Greenstar boilers when fitted by a qualified engineer.