Worcester Bosch
Worcester Bosch Code Plug 1103 87144311030
Code plug 1103 for Worcester Bosch Greenstar 28I Junior gas boilers, supplied under part number 87144311030.
At a glance
- Appliance family: Greenstar 28I Junior
- Also known as 1012993
£9.05
£7.54 ex. VAT · VAT at 20%
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 1103 is a configuration component for Greenstar 28I Junior gas boilers. It is listed for both the LPG and NG versions of the 28I Junior. Supplied under Worcester Bosch part number 87144311030.
Signs this part needs replacing
- Boiler locks out or fails to fire after a control board change
- Combustion readings outside the expected range for the appliance
- Fault codes relating to boiler configuration
- Code plug missing, damaged, or with bent pins
Before you order
- Confirm the appliance is a Greenstar 28I Junior
- Note this plug is listed as the LPG variant — check the gas type of the installation
- Match part number 87144311030 against the component being replaced
- Compare the code plug number marked on the existing part
Compliance
| GC number | H12-046 |
|---|---|
| Barcode / EAN | 4010009972914 |
| Alternative numbers | 1012993 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 28i JUNIOR LPG | 47-311-91 | 47-311-91 | — | — |
| WORCESTER GREENSTAR 28i JUNIOR NG | 47-311-87 | 47-311-87 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
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