Worcester Bosch
Worcester Bosch Wiring Harness Thermostat 87186809890
Thermostat wiring harness for Worcester Bosch Greenstar 12/18 and 18/25 oil boilers.
At a glance
- Also known as 1022618
£9.44
£7.87 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 87186809890 is a wiring harness for the thermostat circuit on Greenstar oil-fired boilers. It carries the thermostat switching signal to the boiler's control system. The part is specific to the Worcester Bosch Greenstar oil range.
Signs this part needs replacing
- Thermostat adjustments have no effect on boiler operation
- Boiler fails to fire when heat is called for
- Intermittent heating or unexplained shutdowns
- Visible damage, scorching or corrosion on the harness or its connectors
- Fault codes relating to the thermostat circuit
Before you order
- Confirm your boiler model matches one of the fitments listed above
- Check the existing harness connectors and routing against the part number
- Verify the part number 87186809890 on the existing component where visible
Compliance
| Barcode / EAN | 4047416663708 |
|---|---|
| Alternative numbers | 1022618 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 12/18 OOO GB OIL | — | — | — | |
| WORCESTER GREENSTAR 18/25 OOO GB OIL | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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