Product code: 480539
This Worcester Bosch charging key assembly is compatible with CDi Series, CDiXtra Series and Bosch boilers. It is part of the unit's filling loop. For use in central heating boilers and systems, allowing the user to manually top-up the amount of water in the system if the pressure drops. External loops are usually removable in keeping with regulations, while internal filling loops normally feature a key that can be removed to interrupt the connection after use. We know you’re busy and need to get repair jobs done quickly and efficiently. Your local parts specialist is always on hand to support you. They offer help, advice and they can get you the part you need. Your local branch stocks an in-depth range of domestic gas and oil spare parts from leading manufacturers, so you can fix it first time.