The Worcester Bosch 87290001830 Fan Washer is a genuine replacement sealing and spacing component designed to support the secure and leak-free installation of the combustion fan assembly in compatible boilers. This washer helps ensure correct alignment and sealing where the fan mounts to the housing or ducting, reducing vibration, preventing air leakage and contributing to stable combustion airflow. A missing, worn or incorrect fan washer can allow unwanted air ingress, cause noise, affect combustion stability or lead to fan vibration issues, making correct replacement important for dependable performance.

This fan washer is compatible with Worcester Bosch CDi, Greenstar and Highflow series boilers that reference part number 87290001830 in their technical documentation. To ensure proper fitment and reliable performance, always verify that the part number on your existing washer matches before installation, as washer dimensions and designs vary between models and applications.

Supplied ready for direct replacement, the 87290001830 Fan Washer fits into the fan mounting or sealing location when installed by a qualified engineer. Choosing this genuine Worcester Bosch component helps maintain proper fan alignment and sealing, supports stable combustion airflow and contributes to reliable heating and hot-water performance in compatible boiler systems.