Worcester Bosch
Worcester Bosch Manifold DHW 87186445590
DHW manifold for Worcester Bosch Greenstar 2000 Combi and GR2300iW combi boilers.
At a glance
- Part type: DHW manifold
- Appliance family: Greenstar 2000 Combi / GR2300iW
- Also known as 2248946
£120.41
£100.34 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
This is the DHW manifold for Worcester Bosch Greenstar combi boilers. It is the manifold assembly that carries domestic hot water through the boiler's DHW circuit. It is listed as Worcester Bosch part number 87186445590 and is used across the Greenstar 2000 Combi and GR2300iW combi ranges.
Signs this part needs replacing
- Water weeping or visible staining around the DHW manifold body or its connections
- Reduced domestic hot water flow or pressure at the taps
- Scale or debris build-up restricting flow through the DHW circuit
- Persistent leaks at the manifold joints that do not clear after resealing
Before you order
- Confirm the boiler model and output variant against the Fits list above
- Check the fuel type of the installation, as both NG and LPG variants are listed
- Verify the existing part number 87186445590 or the original manifold marking before ordering
- Inspect the manifold connections and seals so any additional items needed for the job are identified
Compliance
| Alternative numbers | 2248946 |
|---|
| 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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