Vaillant
Vaillant Wiring Harness 24V 0020192775
24V wiring harness for Vaillant Arotherm VWL 155/2 A 230V heat pumps, part number 0020192775.
At a glance
- Also known as 1386550
£211.48
£176.23 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 0020192775 is a 24V wiring harness used in Vaillant Arotherm air-to-water heat pumps. It carries low-voltage control and signal connections between components within the appliance. The harness is supplied as a complete assembly with its connectors fitted.
Signs this part needs replacing
- Intermittent faults or random shutdowns traced to a loose or broken harness connection
- Error codes relating to control or sensor communication that persist after connector checks
- Visible damage to the harness, such as cracked insulation, chafing or exposed conductors
- Corrosion, heat damage or discolouration at the plug terminals
- Components failing to receive a 24V supply when tested at the harness connector
Before you order
- Confirm the appliance model matches the fitment list above
- Check the existing harness part number against 0020192775
- Inspect the connectors and pin count on the existing harness before ordering
- Verify the fault is in the harness rather than the connected component or board
Compliance
| Alternative numbers | 1386550 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 155/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 155/2 A 230V (2014) | — | — | — |
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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