Worcester Bosch
Worcester Bosch Hall Sensor 87186445780
Hall effect sensor for Worcester Bosch Greenstar 2000 and GR2300iW combi boilers, used on the diverter valve assembly.
At a glance
- Appliance family: Greenstar 2000 and GR2300iW combi boilers
- Also known as 2248892
£52.73
£43.94 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 Hall Sensor 87186445780 is a hall effect sensor used on the diverter valve assembly of Worcester Bosch Greenstar 2000 and GR2300iW combi boilers. It provides positional feedback from the diverter valve so the boiler control can monitor valve movement. This part is listed under diverter valve components in the gas boiler spares range.
Signs this part needs replacing
- The boiler fails to switch correctly between central heating and hot water
- Diverter valve position cannot be detected by the boiler control
- Domestic hot water temperature becomes inconsistent during a draw-off
- Heating continues to circulate when hot water is demanded
- A diverter valve or sensor-related fault is logged by the boiler
Before you order
- Confirm the existing sensor carries part number 87186445780
- Check the appliance model, GC number and fuel type against the fitment list
- Verify the sensor is the hall effect type fitted to the diverter valve assembly
- Inspect the wiring connection and mounting point before ordering
Compliance
| Alternative numbers | 2248892 |
|---|
| 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.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.