Worcester Bosch
Worcester Bosch Fan Wiring Harness 87186812850
Fan wiring harness for Worcester Bosch Greenstar FS30 CDI, FS42 CDI and Highflow 440CDI/550CDI boilers.
At a glance
- Also known as 1022638
£8.74
£7.28 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
Fan wiring harness for Worcester Bosch Greenstar FS and Highflow series boilers. It connects the fan to the boiler's control board, supplying power and control signals. This harness is identified by Worcester Bosch part number 87186812850.
Signs this part needs replacing
- Fan does not run or runs intermittently
- Boiler locks out or shows a fan-related fault code
- Visible damage to the harness, such as cracked insulation, scorched wires or corroded connectors
- Loose or poor connection at the fan or control board
- Fan operates only when the harness is wiggled
Before you order
- Confirm your boiler model and GC number against the fit list above
- Check the existing harness part number and connector layout
- Identify whether your boiler is NG or LPG and whether it is an ErP model
- Inspect the fan and control board for other faults that may affect operation
Compliance
| GC number | H71-345 |
|---|---|
| Barcode / EAN | 4047416799018 |
| Alternative numbers | 1022638 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDi ErP LPG (7738100590) | 47-406-86 | 47-406-86 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDi ErP NG (7738100589) | 47-406-85 | 47-406-85 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 550CDI LPG | 47-406-25 | 47-406-25 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 550CDI NG | 47-406-27 | 47-406-27 | — | — |
Showing 10 of 12 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 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)
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