Worcester Bosch Charging Key Assembly 87161045910

The Worcester Bosch Charging Key Assembly (87161045910) is a genuine replacement part designed for use with Worcester boilers and heating systems. It sits as part of the filling loop and allows manual topping up of the system water when pressure drops. External filling loops are typically removable, while internal loops use the key to interrupt the connection after use. This is a genuine Worcester product, supplied with the manufacturer’s guarantee.

It performs a key function within the unit to support reliable performance and correct operation of compatible heating and hot water systems.

Features

• Part of the filling loop in central heating systems
• Allows manual top-up of system water when pressure drops
• External filling loops are usually removable; internal loops interrupted by the key
• Genuine Worcester product with manufacturer’s guarantee
• Compatible with Bosch Si, CDI, Greenstar models