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Worcester Bosch Fusing Element T125A 19045223380

Worcester Bosch

Worcester Bosch Fusing Element T125A 19045223380

Worcester Bosch 19045223380 T125A fusing element for Worcester and British Gas badged gas boilers, including 24 SI II and 28 SI II RSF models.

At a glance

  • Part type: Fusing element
  • Also known as 1011011
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
19045223380
GC number
E89-856
Showing prices

£2.75

£2.29 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Worcester Bosch 19045223380 is a fusing element used in the electrical circuit of Worcester Bosch and British Gas badged gas boilers. It sits in the appliance's power supply path and breaks the circuit if current or temperature rises beyond the rated limit, protecting the control board and wiring harness. The element carries a T125A rating and is supplied as a single replacement component.

Signs this part needs replacing

  • Boiler is completely dead with no display, LEDs or response from the controls
  • Appliance loses power during or shortly after an ignition attempt
  • Fusing element reads open circuit when checked with a continuity tester
  • The same fuse fails again soon after being replaced
  • Power drops out intermittently while the boiler is running

Before you order

  • Check the GC number on the appliance data badge against the numbers listed above before ordering.
  • Confirm the marking on the existing fuse matches 19045223380 or one of the previous numbers listed.
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

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Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.