Worcester Bosch
Worcester Bosch Hose (Siphon) 8737604658
Siphon hose for Worcester Bosch Greenstar 2000 and Greenstar combi boilers, part number 8737604658.
At a glance
- Appliance family: Worcester Greenstar 2000 Combi, Worcester Greenstar Combi
- Also known as 1038533
£5.42
£4.52 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 Hose (Siphon) is a Worcester Bosch component listed under part number 8737604658. It is the siphon hose used on Worcester Bosch Greenstar combi appliances, forming part of the condensate handling arrangement within the boiler. It is supplied as an individual service part for replacement during repair or maintenance work.
Signs this part needs replacing
- Condensate leaking from the siphon or trap area of the boiler
- Water pooling beneath the appliance around the condensate route
- Visible splits, cracking, hardening or kinking on the hose
- Siphon not draining correctly, causing condensate to back up
Before you order
- Check the boiler model and GC number against the fit list above
- Confirm the part number 8737604658 matches the component being removed
- Inspect the siphon assembly to establish whether the hose alone is needed
- Verify the appliance is a Greenstar 2000 Combi or Greenstar combi unit
Compliance
| Alternative numbers | 1038533 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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 GR2301iW 25 C LPG COMBI | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 25 C NG COMBI | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 30 C LPG COMBI | — | — | — | |
| WORCESTER GREENSTAR GR2301iW 30 C NG COMBI | — | — | — |
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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