
Worcester Bosch
Worcester Bosch code plug, natural gas 1426 (8716117166)
Worcester Bosch natural gas code plug (1426) that configures a 9i System ErP boiler for natural gas operation.
At a glance
- Also known as 1031323
- Fitting must be carried out by a Gas Safe registered engineer, alongside the mechanical conversion kit where the gas type is being changed
Showing prices
£11.12
£9.27 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
A genuine Worcester Bosch code plug that sets a 9i System ErP boiler's control PCB to run on natural gas. Worcester Bosch's own listing titles it "Code_Plug NG 1426".
Signs this part needs replacing
- The boiler is being converted to run on natural gas and needs the matching code plug fitted
- The existing code plug is missing, damaged or set for the wrong gas type
- A control PCB has been replaced and needs the correct gas-type code plug re-fitting
- A Gas Safe engineer has identified a gas-type configuration mismatch on the appliance
Before you order
- Confirm the appliance code on the boiler's data badge matches 7733600011 or 7733600033
- Fitting must be carried out by a Gas Safe registered engineer, alongside the mechanical conversion kit where the gas type is being changed
- Isolate the electrical supply before opening the control panel
Compliance
| GC number | J25-333 |
|---|---|
| Barcode / EAN | 4054925464627 |
| Alternative numbers | 1031323 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 9i ErP SYSTEM LPG | 41-406-22 | 41-406-22 | — | — |
| WORCESTER GREENSTAR 9i ErP SYSTEM NG | 41-406-21 | 41-406-21 | — | — |
| WORCESTER WORCESTER GREENSTAR 9i ErP SYSTEM LPG | — | — | — | |
| WORCESTER WORCESTER GREENSTAR 9i ErP SYSTEM NG | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
No technical questions yet for this part.
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