Vaillant
Vaillant Sensor 0020175869
Vaillant 0020175869 sensor for Arotherm VWL 85/2, 115/2 and 155/2 A 230V heat pumps manufactured before 03/2015.
At a glance
- Also known as 1386374
£10.61
£8.84 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 0020175869 is a sensor supplied by Vaillant for use in Arotherm VWL air-to-water heat pump systems. It is the variant specified for appliances manufactured before 03/2015, and it sits within the unit's control and monitoring circuit. Always confirm the production date of the appliance before ordering this version.
Signs this part needs replacing
- Fault codes or lockout messages relating to sensor readings
- Heat pump short-cycling or failing to reach the set flow temperature
- Erratic or implausible temperature values shown at the controller
- Intermittent running that changes when the sensor or its plug is disturbed
Before you order
- Confirm the appliance model and that it was manufactured before 03/2015
- Check the part number on the existing sensor against 0020175869
- Inspect the sensor lead and plug for damage before fitting
Compliance
| Alternative numbers | 1386374 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 115/2 A 230V | — | — | — | |
| VAILLANT VWL 155/2 A 230V | — | — | — | |
| VAILLANT VWL 85/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 115/2 A 230V (2013) | — | — | — | |
| VAILLANT aroTHERM VWL 155/2 A 230V (2014) | — | — | — | |
| VAILLANT aroTHERM VWL 85/2 A 230V (2013) | — | — | — |
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 technical questions yet for this part.
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