
Vaillant
Vaillant Wiring Harness Supply Inverter 0020192801
Vaillant wiring harness for the supply inverter, part number 0020192801, used on Arotherm VWL 55/2 A 230V heat pumps.
At a glance
- Part type: wiring harness, supply inverter
- Appliance family: Arotherm air source heat pump
- Also known as 1386594
£85.21
£71.01 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 0020192801 is a wiring harness for the supply inverter fitted to Vaillant Arotherm air source heat pumps. It carries the electrical connections between the inverter and the appliance's supply circuit. The harness is a service part for the VWL 55/2 A 230V model.
Signs this part needs replacing
- The heat pump fails to start or the inverter does not power up
- Intermittent faults or intermittent shutdowns traced to the inverter supply circuit
- Visible damage to the harness, such as chafed, cracked or heat-affected insulation
- Loose, corroded or discoloured connector terminals at the harness ends
- Continuity faults or open circuits found when testing the harness
Before you order
- Confirm the appliance model is VWL 55/2 A 230V
- Check the existing harness part number against 0020192801
- Inspect the inverter connectors for damage before fitting a replacement harness
- Isolate the electrical supply and follow the manufacturer's instructions for the appliance
Compliance
| Alternative numbers | 1386594 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 55/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 55/2 A 230V (2014) | — | — | — |
Documents & drawings
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