Worcester Expansion Vessel 4 Ltr 87161055450

Worcester 4 ltr Prevents pressure build up. Cannot be used for drinking water.

The Worcester 87161055450 Expansion Vessel (4 litre) is a genuine Worcester Bosch spare part designed to regulate system pressure in sealed central heating systems. By absorbing the extra volume of water when it expands as it heats up, the vessel prevents overpressure, protecting components and maintaining safe boiler operation.

This 4L expansion vessel is identified under GC Number 4731184 and is suitable for selected Worcester Bosch boilers.

Key Features

• Part Number: 87161055450

• GC Number: 4731184

• Type: Expansion vessel

• Capacity: 4 litres

• Application: Maintains stable system pressure in Worcester Bosch boilers

• Function: Absorbs excess water pressure caused by thermal expansion

• Build Quality: Genuine Worcester Bosch component for reliable performance

Technical Specifications

• Brand: Worcester Bosch

• Part Number: 87161055450

• GC Number: 4731184

• Product Type: Expansion vessel

• Capacity: 4L