
Worcester Bosch
Worcester Bosch Flue Pipe (Bottom) 87186509870
Bottom flue pipe section for Worcester Bosch Greenstar 2000 and 4000 combi and system boilers.
At a glance
- Appliance family: Worcester Greenstar 2000 and Greenstar 4000
- Also known as 1038241
£36.97
£30.81 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 flue pipe (bottom) is a Worcester Bosch flue component, manufactured under part number 87186509870. It forms the lower section of the flue run on Greenstar 2000 and Greenstar 4000 combi and system appliances. Its function is to carry products of combustion away from the boiler and, in condensing appliances, to manage the return of condensate within the flue assembly.
Signs this part needs replacing
- Visible corrosion, perforation or deformation of the flue pipe section
- Condensate leakage or staining around the lower flue joint
- Deteriorated or missing seals at the pipe connection
- Flue gas escape detected during combustion analysis or a flue integrity check
- Physical damage to the flue pipe following impact or disturbed flue route
Before you order
- Confirm the appliance model against the fitment list above before ordering
- Check the model and GC number on the appliance data badge
- Verify that the bottom flue pipe is the section requiring replacement
- Inspect the remainder of the flue assembly for any further damaged sections
Compliance
| Alternative numbers | 1038241 |
|---|
| 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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