Worcester Bosch Expansion Vessel Assembly - 8716117023

The Worcester Bosch Expansion Vessel 8716117023 is a genuine part designed to manage water expansion caused by temperature changes in heating and unvented hot water systems. It features a two-chamber design separated by a rubber diaphragm, helping to maintain stable pressure and protect the appliance from pressure fluctuations. This expansion vessel is compatible with multiple Worcester appliances and comes with the manufacturer’s guarantee for added peace of mind.

As a replacement component, it supports reliable performance and correct operation of the heating or hot water system, contributing to long-term durability and system protection.

Designed for models in the 12i, 15i, 18i, 21i and 24i ranges, the vessel is a genuine Worcester product intended to restore and maintain optimal system function.

Features

• Genuine Worcester expansion vessel 8716117023
• Manages water expansion from temperature changes
• Two-chamber design with rubber diaphragm
• Fits multiple Worcester appliances
• Supports reliable performance and system protection
• Manufacturer-backed guarantee