Worcester Bosch Expansion Vessel Assembly 8716117023.

National Shower Spares

Worcester Bosch Expansion Vessel Assembly (8716117023). The Worcester Bosch expansion vessel is a tool for managing water expansion brought on by temperature changes in a heating system or hot water system. When water is held under pressure, such as in a sealed heating system or an unvented hot water cylinder, it expands as its temperature rises. The usual structure of an expansion vessel is a cylinder or disc with two compartments within, separated by a diaphragm made of rubber. Fits multiple appliances. Genuine brand new Worcester product, covered by a Worcester manufacturer's guarantee.

City Plumbing

The Worcester Bosch expansion vessel is a tool for managing water expansion brought on by temperature changes in a heating system or hot water system. When water is held under pressure, such as in a sealed heating system or an unvented hot water cylinder, it expands as its temperature rises. The usual structure of an expansion vessel is a cylinder or disc with two compartments within, separated by a diaphragm made of rubber.

Direct Heating Spares

Worcester Bosch 8716117023 Expansion Vessel - 12i/15i/18i/21i/24i. Genuine brand new Worcester product, covered by a Worcester manufacturer's guarantee.