Vaillant
Vaillant Wiring Harness 0020266354
Wiring harness 0020266354 for Vaillant Arotherm 5/5 VWL 35/5, 55/5 and 75/5 AS 230V S2 heat pumps.
At a glance
- Appliance family: Arotherm 5/5 AS 230V S2
- Also known as 1392720
£44.24
£36.87 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 0020266354 is a wiring harness used in Arotherm 5/5 air source heat pumps. It carries electrical connections between components within the appliance, forming part of the unit's internal wiring. It is listed by the manufacturer under the Arotherm 5/5 AS 230V S2 range.
Signs this part needs replacing
- Visible damage to the cable insulation, such as chafing, cracking or heat marking
- Loose, corroded or discoloured connector terminals
- Intermittent electrical faults or repeated error codes traced to the harness
- Continuity faults on one or more conductors when tested
- Signs of rodent damage or moisture ingress along the cable run
Before you order
- Confirm the appliance model from the data plate against the fit list above
- Check the part number printed or labelled on the existing harness
- Inspect connector types and pin counts on the existing harness before removal
- Isolate the appliance from the electrical supply before carrying out any work
Compliance
| Alternative numbers | 1392720 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 75/5 AS 230V S2 (2022) | — | — | — |
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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