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Worcester Bosch Code Plug 1019 87144310190

Worcester Bosch

Worcester Bosch Code Plug 1019 87144310190

Worcester Bosch code plug 1019, part 87144310190, for Greenstar and British Gas 430/I and 30CDI boiler variants.

At a glance

  • Part type: Code plug 1019
  • Appliance family: Greenstar and Worcester British Gas 430/I and 30CDI variants
  • Also known as 1020866
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
87144310190
GC number
H37-312
Showing prices

£7.13

£5.94 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 87144310190 is a code plug (type 1019) used across a number of Worcester Bosch and Worcester British Gas boiler platforms. The plug carries the appliance coding that the control board reads to identify the boiler variant and its configuration. It is a small, direct-fit electrical component rather than a mechanical part, and it is replaced as a complete plug.

Signs this part needs replacing

  • The boiler fails to recognise its own model or configuration after a board change
  • Persistent fault or lockout codes that trace back to the coding plug circuit
  • The plug is physically damaged, corroded or has loose or pushed-back terminals
  • Intermittent operation or repeated resets that clear when the plug is disturbed
  • A replacement control board has been fitted and the original coding plug is missing

Before you order

  • Check the appliance GC number and model against the compatibility list before ordering, as the same plug body is used with different coding across the range.
  • Confirm the existing plug marking reads 1019 and that the part number on the old component matches 87144310190.
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

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