
Worcester Bosch
Worcester Bosch Diverter Adaptor Assembly 87186814600
Diverter adaptor assembly for Worcester Bosch Greenstar Highflow 440CDI and 550CDI boilers.
At a glance
- Part type: diverter adaptor assembly
- Also known as 1022652
£30.65
£25.54 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 diverter adaptor assembly is a Worcester Bosch component for the Greenstar Highflow range. It is fitted as part of the appliance's diverter valve assembly, which controls the direction of water flow between domestic hot water and heating operation. This part is identified by Worcester Bosch part number 87186814600.
Signs this part needs replacing
- Domestic hot water runs cold or fluctuates while the heating is off
- Radiators heat up when only hot water is being drawn
- Hot water temperature becomes inconsistent between draws
- Water weeps or drips from the diverter adaptor area
- The diverter assembly fails to change between heating and hot water modes
Before you order
- Confirm the appliance model is a Greenstar Highflow 440CDI or 550CDI
- Check whether the boiler is the NG or LPG variant
- Verify the existing part is marked or listed as 87186814600
- Inspect the surrounding diverter assembly for related damage before fitting
Compliance
| GC number | H71-390 |
|---|---|
| Barcode / EAN | 4047416877235 |
| Alternative numbers | 1022652 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER GREENSTAR HIGHFLOW 440CDI LPG | 47-406-26 | 47-406-26 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 440CDI NG | 47-406-24 | 47-406-24 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 550CDI LPG | 47-406-25 | 47-406-25 | — | — |
| WORCESTER GREENSTAR HIGHFLOW 550CDI NG | 47-406-27 | 47-406-27 | — | — |
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 technical questions yet for this part.
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