
Worcester Bosch
Worcester Bosch Earth Wiring Harness 1 87186812820
Earth wiring harness (part 87186812820) for Worcester Bosch Greenstar FS and Highflow gas boilers.
At a glance
- Also known as 1022636
£0.53
£0.44 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 Earth Wiring Harness 1 is a wiring component manufactured by Worcester Bosch for use in Greenstar gas boiler appliances. It provides the earth connection within the boiler's electrical harness, forming part of the appliance's earthing and safety circuit. It is listed under the wiring category of Worcester Bosch gas boiler spares.
Signs this part needs replacing
- Earth continuity cannot be confirmed when tested on the harness
- Visible damage, chafing or heat marking on the harness wiring
- Corroded, loose or discoloured earth terminals and connectors
- Intermittent electrical faults or unexplained boiler lockouts
- Harness connectors that no longer seat securely on their terminals
Before you order
- Confirm your appliance model against the fitment list above
- Check the part number marked on the existing harness matches 87186812820
- Identify whether your appliance is the NG or LPG variant
- Inspect the harness routing and connectors before fitting to confirm the fault lies with the harness
Compliance
| GC number | H71-351 |
|---|---|
| Barcode / EAN | 4047416799001 |
| Alternative numbers | 1022636 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR FS 30CDi ErP REGULAR LPG | 41-406-63 | 41-406-63 | — | — |
| WORCESTER GREENSTAR FS 30CDi ErP REGULAR NG | 41-406-62 | 41-406-62 | — | — |
| WORCESTER GREENSTAR FS 42CDi ErP REGULAR LPG | 41-406-65 | 41-406-65 | — | — |
| WORCESTER GREENSTAR FS 42CDi ErP REGULAR NG | 41-406-64 | 41-406-64 | — | — |
| WORCESTER GREENSTAR FS30 CDI REGULAR | 41-406-62 | 41-406-62 | — | — |
| WORCESTER GREENSTAR FS30 CDI REGULAR LPG | 41-406-63 | 41-406-63 | — | — |
| WORCESTER GREENSTAR FS42 CDI REGULAR | 41-406-64 | 41-406-64 | — | — |
| WORCESTER GREENSTAR FS42 CDI REGULAR LPG | 41-406-65 | 41-406-65 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDI LPG | 47-406-26 | 47-406-26 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDI NG | 47-406-24 | 47-406-24 | — | — |
Showing 10 of 20 compatible appliances.
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.
WORCESTER appliance manual — GREENSTAR FS 30CDi ErP REGULAR LPG (GC 41-406-63), GREENSTAR FS 30CDi ErP REGULAR NG (GC 41-406-62), GREENSTAR FS 42CDi ErP REGULAR LPG (GC 41-406-65), GREENSTAR FS 42CDi ErP REGULAR NG (GC 41-406-64)
manualmanualWORCESTER appliance manual — GREENSTAR FS30 CDI REGULAR (GC 41-406-62), GREENSTAR FS30 CDI REGULAR LPG (GC 41-406-63), GREENSTAR FS42 CDI REGULAR (GC 41-406-64), GREENSTAR FS42 CDI REGULAR LPG (GC 41-406-65)
manualmanualWORCESTER appliance manual — GREENSTAR HIGHFLOW 440CDI LPG (GC 47-406-26), GREENSTAR HIGHFLOW 440CDI NG (GC 47-406-24), GREENSTAR HIGHFLOW 550CDI LPG (GC 47-406-25), GREENSTAR HIGHFLOW 550CDI NG (GC 47-406-27)
manualmanualWORCESTER appliance manual — GREENSTAR HIGHFLOW 440CDi ErP LPG (7738100590) (GC 47-406-86), GREENSTAR HIGHFLOW 440CDi ErP NG (7738100589) (GC 47-406-85), GREENSTAR HIGHFLOW 550CDi ErP LPG (7738100592) (GC 47-406-88), GREENSTAR HIGHFLOW 550CDi ErP NG (7738100591) (GC 47-406-87)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
