Vaillant
Vaillant Sensor (TD, TL) 0020127224
Vaillant sensor (TD, TL), part number 0020127224, for geoTHERM VWL 45/1, 65/1 and 75/1 A 230V heat pumps.
At a glance
- Appliance family: geoTHERM VWL air-to-water heat pumps
- Also known as 1385209
£450.49
£375.41 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 Sensor (TD, TL) is a temperature sensor used on Vaillant geoTHERM VWL air-to-water heat pumps. It forms part of the appliance's temperature monitoring circuit, feeding readings back to the control board. It is supplied under Vaillant part number 0020127224.
Signs this part needs replacing
- Fault codes or error messages relating to temperature sensing on the appliance display
- Heating or hot water output that no longer responds correctly to demand
- Erratic or implausible temperature readings at the controller
- The heat pump cycling, locking out or failing to start
- Sensor readings that do not change when the circuit temperature clearly has
Before you order
- Confirm the appliance model number on the data badge matches one of the fitments listed above
- Check the existing sensor and its wiring for damage or loose connections before condemning the part
- Verify the part number 0020127224 against the manufacturer's parts list for your appliance
- Note that sensor faults can share symptoms with control board or wiring faults, so confirm the diagnosis first
Compliance
| Alternative numbers | 1385209 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 45/1 A 230V | — | — | — | |
| VAILLANT VWL 65/1 A 230V | — | — | — | |
| VAILLANT VWL 75/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 45/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 65/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 75/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 75/1 A 230V | — | — | — |
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.