Vaillant
Vaillant Wiring Harness Supply Compressor 0020175821
Vaillant wiring harness (0020175821) for the supply compressor on Arotherm VWL 55/2 A 230V heat pumps.
At a glance
- Part type: wiring harness, supply compressor
- Appliance family: Arotherm / VWL 55/2 A 230V
- Also known as 1386292
£32.23
£26.86 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 0020175821 is a wiring harness for the supply compressor, used on Vaillant Arotherm air source heat pumps. It carries the electrical supply to the compressor, forming part of the appliance's internal wiring. It is a manufacturer part identified by Vaillant part number 0020175821.
Signs this part needs replacing
- Compressor fails to run or start, with no supply reaching it
- Intermittent compressor operation traced to damaged or loose harness wiring
- Visible chafing, scorching, brittleness or exposed conductors on the harness
- Corroded, burnt or loose connector terminals at the compressor or control board end
- Continuity faults or open circuits found when testing the harness
Before you order
- Confirm the appliance model and that it matches the fitment list above
- Check the existing harness part number against 0020175821
- Inspect the compressor and control board connectors for damage that may also need attention
- Verify the fault is in the harness rather than the compressor or its control circuit
Compliance
| Alternative numbers | 1386292 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 55/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 55/2 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.
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