
Worcester Bosch
Worcester Bosch Flow Switch Assembly 87161200700
Flow switch assembly 87161200700 for Worcester Heatslave 20/25 oil combination boilers.
At a glance
- Part type: Flow switch assembly
- Also known as 1015735
£122.62
£102.18 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 87161200700 is a flow switch assembly for Heatslave 20/25 oil combination boilers. It detects system activation and changes in flow, giving the appliance the signal it needs to manage demand and maintain dependable operation. The assembly is supplied as a replacement for the switch fitted to these Heatslave models.
Signs this part needs replacing
- The boiler does not fire or respond when heating or hot water is called for
- Operation becomes intermittent, with the appliance cutting in and out without a clear pattern
- Flow-related fault codes or lockouts appear on the controls
- Opening a hot tap produces no change in appliance behaviour
- The switch shows signs of wear, contamination or damage on inspection
Before you order
- Check the appliance model and serial number against the compatibility list to confirm the assembly is correct for your Heatslave unit
- Confirm the part number 87161200700 or the alternative number 1015735 matches the item being replaced
- Installation should be carried out by a qualified heating engineer
Mechanical
| Part type | Flow Switches |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 87161200700 |
|---|---|
| Barcode / EAN | 4010009759911 |
| Commodity code | 8403 90 00 00 |
| GPC classification | Central Heating Replacement Parts/Accessories |
| Alternative numbers | 1015735 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER HEATSLAVE 20/25-OSO-GB OIL COMBI (JUN 1996) | — | — | — | |
| WORCESTER HEATSLAVE 20/25-OSO-GB OIL COMBI (SEPT 2001) | — | — | — | |
| WORCESTER HEATSLAVE 20/25-RSO-GB OIL COMBI (JUN 1997) | — | — | — | |
| WORCESTER HEATSLAVE 20/25-RSO-GB OIL COMBI (SEPT 2001) | — | — | — | |
| WORCESTER WORCESTER HEATSLAVE 20/25 OSO | — | — | — | |
| WORCESTER WORCESTER HEATSLAVE 20/25 RSO | — | — | — |
Documents & drawings
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