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Worcester Bosch Code Plug 1155 LPG 87144111550

Worcester Bosch

Worcester Bosch Code Plug 1155 LPG 87144111550

Code plug 1155 (LPG) for Worcester Bosch 25 SI RSF and 28 SI RSF combi boilers, used to set the appliance for LPG operation.

At a glance

  • Also known as 1012905
Manufacturer part no.
87144111550
GC number
E27-624
Showing prices

£12.30

£10.25 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 Worcester Bosch code plug 1155 (LPG) is a configuration component fitted to the boiler's control board. It sets the appliance to run on liquefied petroleum gas (LPG). It is used across the Worcester 25 SI RSF and 28 SI RSF combi range and the British Gas C1-FSN-GB combi.

Signs this part needs replacing

  • Boiler fails to run correctly after conversion to LPG
  • Combustion readings fall outside the manufacturer's specified range
  • Boiler locks out or fails to ignite
  • Code plug is missing, damaged or loose on the control board

Before you order

  • Confirm your boiler model and GC number against the fit list above.
  • Check the gas type the appliance is set up for — this code plug is for LPG.
  • Note the marking on the existing code plug before removal to confirm the number.
  • Refer to the manufacturer's installation instructions for the correct fitting procedure.

Not sure which part?

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