Worcester Bosch 10-litre expansion vessel designed for sealed heating systems. Provides essential pressure relief and thermal expansion compensation, protecting your boiler and pipework from pressure surges. Pre-pressurised to 1.5 bar for immediate installation. Compatible with Worcester Bosch boilers and most sealed system configurations. Durable steel construction with integral safety valve. Reduces strain on system components and extends boiler lifespan. Essential maintenance part for system longevity and efficiency.
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