The Worcester Bosch 8716119294 Expansion Vessel is a genuine replacement component designed to maintain stable water pressure within your central heating system. As your boiler heats water, the volume expands; the expansion vessel absorbs this extra volume and pressure, preventing stress on pipework, seals, pumps and valves. A properly functioning expansion vessel helps reduce pressure-related faults, decreases the need for frequent pressure topping-up and supports consistent, efficient heat distribution throughout the system.

This expansion vessel is compatible with Worcester Bosch Greenstar and Danesmoor series boilers that specify part number 8716119294 in their technical documentation. To ensure correct fitment and reliable operation, always verify the part number on your existing vessel or consult your boiler’s service information before installation, as expansion vessel sizes and capacities vary by model and system configuration.

Supplied ready for direct replacement, the 8716119294 Expansion Vessel connects to the boiler’s internal pipework and mounting points without modification when installed by a qualified engineer. Choosing this genuine Worcester Bosch component helps restore proper pressure control, supports efficient heating performance and contributes to dependable, fault-free operation in compatible Greenstar and Danesmoor boilers.