Worcester Bosch
Worcester Bosch Thermostat Ranco CL6-P0128 87161423440
Thermostat for Worcester Bosch Heatslave and Highflow boilers, Ranco CL6-P0128, Worcester part 87161423440.
At a glance
- Appliance family: Worcester Heatslave and Highflow gas boilers
- Also known as 1018095
£0.01
£0.01 ex. VAT · VAT at 20%
Call 01302 279234 to check availability
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Ranco CL6-P0128 is a boiler thermostat supplied by Worcester Bosch under part number 87161423440. It forms part of the temperature control circuit on Heatslave and Highflow appliances, regulating boiler operation in response to the set temperature.
Signs this part needs replacing
- The boiler does not respond when the temperature control is adjusted
- Heating or hot water runs continuously without holding the set temperature
- Boiler temperature fluctuates or the appliance cycles erratically
- The boiler fails to fire or locks out when heat is demanded
Before you order
- Confirm the appliance model matches one of the Heatslave or Highflow variants listed above
- Check the existing thermostat is marked Ranco CL6-P0128 or Worcester 87161423440
- Verify the part number against the appliance's spare parts listing
Mechanical
| Part type | THERMOSTATS |
|---|
Compliance
| Manufacturer part number (MPN) | 87161423440 |
|---|---|
| GC number | 395-958 |
| Alternative numbers | WB87161423440, 1018095 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| WORCESTER HEATSLAVE 9.24 MK 1 & MK 1.5 BF | — | — | — | |
| WORCESTER HEATSLAVE 9.24 MK 1 & MK 1.5 OF | — | — | — | |
| WORCESTER HIGHFLOW 3.5 BF COMBI NG | 41-311-39 | 41-311-39 | — | — |
| WORCESTER HIGHFLOW 3.5 OF COMBI NG | 41-311-38 | 41-311-38 | — | — |
| WORCESTER HIGHFLOW 3.5 RSF COMBI NG | 41-311-40 | 41-311-40 | — | — |
| WORCESTER HIGHFLOW 4.5 BF COMBI NG | 41-311-42 | 41-311-42 | — | — |
| WORCESTER HIGHFLOW 4.5 OF COMBI NG | 41-311-41 | 41-311-41 | — | — |
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.
WORCESTER appliance manual — HEATSLAVE 9.24 MK 1 & MK 1.5 BF, HEATSLAVE 9.24 MK 1 & MK 1.5 OF
manualmanualWORCESTER appliance manual — HIGHFLOW 3.5 BF COMBI NG (GC 41-311-39), HIGHFLOW 3.5 OF COMBI NG (GC 41-311-38), HIGHFLOW 3.5 RSF COMBI NG (GC 41-311-40), HIGHFLOW 4.5 BF COMBI NG (GC 41-311-42), HIGHFLOW 4.5 OF COMBI NG (GC 41-311-41)
manualNo technical questions yet for this part.
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