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Worcester Small Filling Charging Key Assembly
87161045910

The Worcester Bosch charging key assembly is part of the unit's filling loop. It is used 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.

  • Part of the extensive range of Worcester accessories
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