Worcester Bosch
Worcester Bosch Code Plug 25Si Compact Combi NG 87186909790
Worcester Bosch 87186909790 code plug for Greenstar 25Si Compact combi boilers, setting the control board configuration for the NG variant.
At a glance
- Part type: Code plug
- Appliance family: Greenstar 25Si Compact combi
- Also known as 2247125
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£14.82
£12.35 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 87186909790 is a code plug for the Greenstar 25Si Compact combi boiler range. It mounts on the appliance control board and carries the configuration the board reads at start-up, matching the electronics to the correct appliance variant and gas type. This item is the natural gas (NG) version used across the 25Si Compact combi models.
Signs this part needs replacing
- The boiler locks out or fails to fire after a control board change.
- Fault codes appear that relate to board configuration or gas type.
- The appliance runs on settings that do not match the gas type it is installed for.
- Intermittent ignition or flame detection faults traced back to the board coding.
- The code plug is missing, loose or visibly damaged on the control board.
Before you order
- Check the GC number and serial number on the appliance data badge against the models listed above.
- Confirm whether the boiler is the NG or LPG variant, as the code plug is specific to the gas type.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Code plug |
|---|---|
| Appliance family | Greenstar 25Si Compact combi |
Compliance
| Manufacturer part number (MPN) | 87186909790 |
|---|---|
| GC number | J08-273 |
| Commodity code | 8403 90 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 2247125 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 25SI COMPACT LPG | 47-406-51 | 47-406-51 | — | — |
| WORCESTER GREENSTAR 25SI COMPACT NG | 47-406-50 | 47-406-50 | — | — |
| WORCESTER WORCESTER GREENSTAR 25 SI COMPACT LPG | — | — | — | |
| WORCESTER WORCESTER GREENSTAR 25 SI COMPACT NG | — | — | — |
Documents & drawings
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