Vaillant
Vaillant Wiring Harness Inverter 1Ph 0020273272
Vaillant inverter wiring harness, part 0020273272, for Arotherm 5/5 air-to-water heat pump outdoor units.
At a glance
- Appliance family: Arotherm 5/5
- Also known as 1392822
£72.72
£60.60 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 0020273272 wiring harness is the single-phase inverter connection loom used on Vaillant Arotherm 5/5 air-to-water heat pump outdoor units. It carries the control and power connections between the inverter and the unit's electrical assembly. It is supplied as a single harness assembly for service replacement.
Signs this part needs replacing
- Inverter fault codes logged on the outdoor unit
- Intermittent or complete loss of compressor/inverter operation
- Visible damage to the harness, such as chafed, scorched or brittle insulation
- Loose, corroded or heat-damaged connector terminals at the inverter end
- Continuity faults traced through the harness during electrical testing
Before you order
- Confirm the model and variant on the outdoor unit data plate matches the fitment list
- Check the existing harness part number against 0020273272
- Inspect the inverter connectors for damage before fitting a replacement harness
- Isolate the power supply and follow the manufacturer's wiring diagram when refitting
Compliance
| Alternative numbers | 1392822 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM 5/5 VWL 105/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019) | — | — | — |
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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