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Worcester Bosch Ignition Locking Device 87071010020

Worcester Bosch

Worcester Bosch Ignition Locking Device 87071010020

Ignition locking device for Worcester Bosch gas boilers, part number 87071010020.

At a glance

  • Also known as 1012103
Manufacturer part no.
87071010020
GC number
E27-564
Showing prices

£33.12

£27.60 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 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 ignition locking device, part number 87071010020, is a Worcester Bosch component that sits within the boiler's ignition unit. It forms part of the ignition sequence on the Worcester gas boiler models listed below. It is supplied as a single component for direct fitting to the appliance.

Signs this part needs replacing

  • The boiler fails to light during the ignition sequence
  • No spark is produced at the ignition electrode
  • The appliance repeatedly goes to lockout shortly after a call for heat
  • Ignition is intermittent, with the boiler lighting only on some attempts
  • The burner drops out immediately after ignition has been established

Before you order

  • Confirm the model and serial details on the appliance data badge match one of the models listed above
  • Check the existing ignition unit to confirm the locking device is the component at fault
  • Isolate the electrical supply and gas supply before working on the boiler
  • Verify the part number 87071010020 against the component being removed

Not sure which part?

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