Worcester Bosch
Worcester Bosch Pipe Expansion Vessel 87186495890
Pipe for the expansion vessel on Worcester Bosch Greenstar 2000 Combi and GR2300iW boilers.
At a glance
- Part type: pipe for the expansion vessel
- Appliance family: Greenstar 2000 Combi, Greenstar GR2300iW
- Also known as 8905339
£29.57
£24.64 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 87186495890 is the pipe that connects the expansion vessel within the hydraulic assembly. It is manufactured by Worcester Bosch for the Greenstar 2000 Combi and GR2300iW appliance family. Its function is to carry system water between the expansion vessel and the boiler's water circuit.
Signs this part needs replacing
- Visible corrosion or pitting on the pipe surface
- Weeping or dripping at the pipe connections
- Water staining or damp patches below the expansion vessel area
- Loss of system pressure that cannot be traced to another component
- Scale or debris restricting flow through the pipe
Before you order
- Confirm the boiler model and GC number against the fit list above
- Check the existing pipe routing and connection points before removal
- Verify the part number 87186495890 on the component or in the boiler literature
- Isolate and drain the appliance before starting work
Compliance
| Alternative numbers | 8905339 |
|---|
| 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 GR2300iW 25 C LPG COMBI | 47-800-27 | 47-800-27 | — | — |
| WORCESTER GREENSTAR GR2300iW 25 C NG COMBI | 47-800-26 | 47-800-26 | — | — |
| WORCESTER GREENSTAR GR2300iW 30 C LPG COMBI | 47-800-29 | 47-800-29 | — | — |
| WORCESTER GREENSTAR GR2300iW 30 C NG COMBI | 47-800-28 | 47-800-28 | — | — |
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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