Vaillant
Vaillant Wiring Harness 0020266347
Vaillant wiring harness rated 230/400V, part number 0020266347, for Arotherm 5/5 heat pump installations.
At a glance
- Appliance family: Arotherm 5/5
- Also known as 1392712
£88.91
£74.09 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 0020266347 is a wiring harness rated at 230/400V, used within the electrical connection of Vaillant Arotherm 5/5 air-to-water heat pumps. It carries power and control connections between components in the appliance's electrical circuit. It is supplied as a single harness assembly under Vaillant part number 0020266347.
Signs this part needs replacing
- Visible damage to the harness insulation, such as cracking, chafing or exposed conductors.
- Discoloured, scorched or brittle wiring or connector housings at either end of the harness.
- Intermittent electrical faults, nuisance trips or error codes traced to the harness circuit.
- Loose, corroded or heat-affected terminals that will not hold a secure connection.
- Continuity faults or open circuits confirmed by meter testing across the harness.
Before you order
- Confirm your appliance model against the fit list above, as compatibility is limited to the Arotherm 5/5 variants shown.
- Check the voltage rating marked on the existing harness matches 230/400V.
- Inspect the connector types and pin count on the existing harness before ordering.
- Verify the Vaillant part number 0020266347 on the appliance's parts list or existing component.
Compliance
| Alternative numbers | 1392712 |
|---|
| 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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