Vaillant
Vaillant Wiring Harness 0020266353
Wiring harness for Vaillant Arotherm 5/5 VWL 35/5, 55/5 and 75/5 AS 230V S2 heat pumps.
At a glance
- Part type: wiring harness
- Appliance family: Arotherm 5/5 air source heat pump
- Also known as 1392718
£44.82
£37.35 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 0020266353 is a wiring harness supplied for the Arotherm 5/5 range of air source heat pumps. It carries the electrical connections between components within the appliance, forming part of the unit's internal wiring loom. It is a service part intended for replacement where the existing harness is damaged or faulty.
Signs this part needs replacing
- Visible damage to the cable insulation, such as chafing, cracking or exposed conductors
- Burn marks, discolouration or a scorched smell at the harness connectors
- Corrosion, looseness or poor contact at the plug terminals
- Intermittent electrical faults, random shutdowns or fault codes traced to the wiring
- Continuity faults or open circuits found during electrical testing of the loom
Before you order
- Confirm the appliance model number on the data badge matches one of the Arotherm 5/5 variants listed above
- Check the existing harness against the replacement for connector count, plug type and routing
- Inspect the mating connectors and terminals for damage that may also need attention
- Verify the part number 0020266353 on the existing component or the manufacturer's parts list
Compliance
| Alternative numbers | 1392718 |
|---|
| 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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