Vaillant
Vaillant Sensor 0020166931
Vaillant sensor 0020166931 for aroTHERM VWZ MWT 150 and VWZ MEH 60/61 heat pump units.
At a glance
- Part type: Sensor
- Also known as 1386144
Showing prices
£127.67
£106.39 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
Vaillant sensor 0020166931 is a control sensor for Vaillant aroTHERM heat pump systems. It provides feedback to the appliance's control board. It is listed for use with VWZ MWT 150 and VWZ MEH 60/61 models.
Signs this part needs replacing
- Fault codes relating to sensor or temperature readings
- Inaccurate or erratic system readings
- Appliance failing to modulate or cycling incorrectly
- Intermittent operation or lockouts
- Visible damage to the sensor or wiring
Before you order
- Confirm your appliance model matches the fit list
- Check the part number 0020166931 against your existing sensor
- Ensure the sensor is compatible with your aroTHERM system
- Consult a qualified heating engineer if unsure
Compliance
| Alternative numbers | 1386144 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWZ MEH 60 | — | — | — | |
| VAILLANT VWZ MEH 61 | — | — | — | |
| VAILLANT VWZ MWT 150 | — | — | — | |
| VAILLANT aroTHERM VWZ MEH 60 (2013-2021) | — | — | — | |
| VAILLANT aroTHERM VWZ MEH 61 (2013-2021) | — | — | — | |
| VAILLANT aroTHERM VWZ MWT 150 | — | — | — | |
| VAILLANT aroTHERM VWZ MWT 150 (2013-2021) | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.