The Worcester Bosch 19045213420 Fusing Element pack contains ten genuine replacement fuses rated at T2.5 A (time-delay 2.5 amp), designed to protect the electrical circuits within your CDi and Greenstar series boilers. These fuses act as safety cut-outs for sensitive electronic and control circuits, interrupting power in the event of an overload or fault to prevent damage to control boards, sensors and other electrical components. Using the correct fusing element helps ensure that electrical faults are isolated safely and reduces the risk of costly damage to key control systems.

This pack of ten T2.5 A fusing elements is compatible with Worcester Bosch CDi and Greenstar boilers that reference part number 19045213420 in their technical documentation. To ensure correct protection levels and fitment, always verify that the part number and electrical rating match the requirements shown in your boiler’s service information before installation, as fuse specifications can vary between models and control architectures.

Supplied as a set of ten genuine Worcester Bosch fuses, the 19045213420 pack enables a qualified engineer to replace blown or aging elements during maintenance or fault rectification. Choosing these OEM fusing elements helps maintain correct electrical protection, supports safe control system operation and contributes to dependable, trouble-free performance in compatible CDi and Greenstar boilers.