Worcester Expansion Vessel 12L 87161425050

Worcester SN 7716100441 + 7716100076 12L Capacity

The Worcester 87161425050 Expansion Vessel (12 litre) is a genuine Worcester Bosch spare part designed for sealed heating systems. The expansion vessel absorbs excess pressure as water expands when heated, preventing damage to boiler components and maintaining safe operating pressure. A faulty or waterlogged expansion vessel can lead to frequent pressure loss and boiler faults, making replacement essential for reliable system performance.

Key Features

• Part Number: 87161425050

• Type: Expansion vessel

• Capacity: 12 litres

• Application: Maintains correct system pressure in Worcester Bosch boilers

• Function: Absorbs pressure changes caused by thermal expansion of water

• Build Quality: Genuine Worcester Bosch component for long-lasting reliability

Technical Specifications

• Brand: Worcester Bosch

• Part Number: 87161425050

• Product Type: Expansion vessel

• Capacity: 12L