The UCP Expansion Vessel 6 Litre 87161055450 is a genuine unbranded alternative to the Worcester Bosch Expansion Vessel 6 Litre 87161055450. The expansion vessel is a tank that is used to protect closed systems from pressure surges. The tank is filled with air that acts as a cushion against surges in pressure within the system.

• Supplier Part Number: 87161055450