Vaillant
Vaillant Temperature Sensor 0020148022
Temperature sensor (thermistor) for Vaillant Arotherm, Flexotherm and VWF heat pumps, part number 0020148022.
At a glance
- Also known as 1386040
£18.41
£15.34 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
The Vaillant 0020148022 is a temperature sensor supplied as a thermistor for Vaillant heat pump appliances. It monitors temperature at its fitted point in the circuit and feeds that reading back to the appliance control. It is listed for Arotherm, Arotherm PLUS, Flexotherm and VWF heat pump ranges.
Signs this part needs replacing
- Temperature readings that are clearly wrong or drift away from expected values
- The appliance cycling, short-cycling or failing to reach its target flow temperature
- Fault codes logged against a temperature sensor circuit
- Erratic domestic hot water or heating temperatures despite correct settings
- Sensor resistance that does not change as expected when the sensed point warms or cools
Before you order
- Confirm your appliance model against the fit list above
- Check the part number on the existing sensor matches 0020148022
- Check the sensor connector and lead routing on your appliance before removal
- Verify the fault has been traced to the sensor rather than the wiring or control board
Compliance
| Alternative numbers | 1386040 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWF 157/4 | — | — | — | |
| VAILLANT VWF 197/4 | — | — | — | |
| VAILLANT VWF 57/4 230V | — | — | — | |
| VAILLANT VWF 87/4 230V | — | — | — | |
| VAILLANT VWL 115/2 A 230V | — | — | — | |
| VAILLANT VWL 155/2 A 230V | — | — | — | |
| VAILLANT VWL 55/2 A 230V | — | — | — | |
| VAILLANT VWL 85/2 A 230V | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 105/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019) | — | — | — |
Showing 10 of 39 compatible appliances.
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.
VAILLANT appliance manual — VWF 157/4, VWF 197/4, VWF 57/4 230V, VWF 87/4 230V, flexoTHERM VWF 157/4, flexoTHERM VWF 197/4, flexoTHERM VWF 57/4 230V, flexoTHERM VWF 87/4 230V
manualmanualVAILLANT appliance manual — VWL 115/2 A 230V, VWL 155/2 A 230V, VWL 55/2 A 230V, VWL 85/2 A 230V, aroTHERM VWL 115/2 A 230V (2013), aroTHERM VWL 155/2 A 230V (2014), aroTHERM VWL 55/2 A 230V (2014), aroTHERM VWL 85/2 A 230V (2013)
manualmanualVAILLANT appliance manual — aroTHERM 5/5 VWL 105/5 AS 230V S2 (2019), aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019), aroTHERM 5/5 VWL 35/5 AS 230V S2 (2019-2022), aroTHERM 5/5 VWL 35/5 AS 230V S2 R1 (2019-2022), aroTHERM 5/5 VWL 55/5 AS 230V S2 (2019-2022), aroTHERM 5/5 VWL 55/5 AS 230V S2 R1 (2019-2022), aroTHERM 5/5 VWL 75/5 AS 230V S2 (2022), aroTHERM 5/5 VWL 75/5 AS 230V S2 R1 (2022)
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