Worcester Bosch
Worcester Bosch Flue Pipe (Top) 87186509860
Top flue pipe for Worcester Bosch Greenstar 2000 and 4000 series gas boilers, part number 87186509860.
At a glance
- Also known as 1038243
£49.93
£41.61 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 87186509860 is the top flue pipe used on Greenstar 2000 and Greenstar 4000 series gas boilers. It forms the upper section of the flue assembly, carrying products of combustion away from the appliance to the terminal. The part is supplied by Worcester Bosch under part number 87186509860.
Signs this part needs replacing
- Visible corrosion, perforation or distortion of the flue pipe
- Discolouration or staining around the flue joint indicating leakage of combustion products
- Damaged or perished sealing components at the flue connection
- Condensate tracking or water marks on the pipe or surrounding casing
- Physical damage from impact, or a flue that no longer sits correctly on the appliance
Before you order
- Confirm the boiler model and GC number against the fitment list
- Check that the existing flue is a top-outlet configuration on a Greenstar 2000 or 4000 series appliance
- Verify the part number 87186509860 on the existing component or in the boiler documentation
- Flue work on gas appliances should be carried out by a competent, registered engineer
Compliance
| Alternative numbers | 1038243 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C LPG | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 25 C NG | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C LPG | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2300iW 30 C NG | 47-800-28 | 47-800-28 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C LPG | 47-800-35 | 47-800-35 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 25 C NG | 47-800-34 | 47-800-34 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C LPG | 47-800-37 | 47-800-37 | — | — |
| WORCESTER GREENSTAR 2000 COMBI GR2301iW 30 C NG | 47-800-36 | 47-800-36 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 25 C LPG | 47-800-31 | 47-800-31 | — | — |
| WORCESTER GREENSTAR 4000 COMBI GR4700iW 25 C NG | 47-800-30 | 47-800-30 | — | — |
Showing 10 of 44 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.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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