Vaillant
Vaillant Sensor 0020269357
Vaillant sensor 0020269357 for Arotherm PLUS /6 VWL and VWZ heat pumps.
At a glance
- Also known as 1389008
£19.31
£16.09 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 0020269357 is a sensor used on Vaillant Arotherm PLUS /6 air-to-water heat pumps in the VWL and VWZ range. It forms part of the appliance's monitoring circuit, feeding temperature or system status information back to the control board. The part is supplied by Vaillant under part number 0020269357.
Signs this part needs replacing
- Fault codes logged by the heat pump control board relating to temperature or sensor signal
- Erratic or implausible readings on the appliance display or controller
- Defrost cycles running incorrectly or not at all
- Output temperature drifting from the setpoint without an obvious system cause
- Intermittent shutdowns or lockouts that clear after a reset
Before you order
- Confirm the model and variant from the appliance data plate against the fitment list above
- Check the existing sensor's part number or marking where accessible
- Inspect the sensor lead and plug for damage, corrosion or poor contact before condemning the sensor
- Verify the fault is sensor-related rather than a wiring or control board issue
Compliance
| Alternative numbers | 1389008 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM PLUS /6 VWL 105/6 A 230V S2 (2020-2021) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 105/6 A 230V S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 105/6 A S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 125/6 A 230V S2 (2020-2021) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 125/6 A 230V S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 125/6 A S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 35/6 A 230V S2 (2020-2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 35/6 A 230V S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 35/6 A 230V S2 R2 (2023) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 55/6 A 230V S2 (2020-2022) | — | — | — |
Showing 10 of 15 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.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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