The Worcester Bosch 87161211070 Charging Link Key Set is a genuine replacement accessory designed to support safe filling and pressurisation of the central heating system on CDi and SBi series boilers. This set provides the specialised key(s) required to operate the charging link, allowing controlled connection between the mains cold-water supply and the boiler’s heating circuit during initial setup, maintenance or pressure topping-up. Using the correct charging link key ensures that system pressurisation can be carried out in a safe, controlled manner, helping maintain correct operating pressure and reduce the risk of low-pressure faults or premature component wear.

This charging link key set is compatible with Worcester Bosch CDi and SBi boilers that reference part number 87161211070 in their technical documentation. To ensure correct use and reliable function, always verify the part number on your existing charging link or consult your boiler’s service information before use, as charging link designs and key types vary between models.

Supplied ready for direct use, the 87161211070 Charging Link Key Set includes the necessary key(s) for engaging the designated charging link fittings when installed or operated by a qualified engineer. Choosing this genuine Worcester Bosch accessory helps maintain safe system filling procedures, supports stable pressure management and contributes to dependable heating performance in compatible CDi and SBi boilers.