
Vaillant
Vaillant Wiring Harness 2 Of 7 (230V) 0010030850
Vaillant wiring harness, designated 2 of 7, rated at 230V and supplied as part number 0010030850.
At a glance
- Also known as 1391798
£13.46
£11.22 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
This is a 230V wiring harness manufactured by Vaillant, identified as harness 2 of 7 within the appliance's wiring arrangement. It forms part of the electrical loom that carries power and control signals between components in the boiler. It is listed for use on the Vaillant Ecotec 635 VU 35 Cs/1-5 (2023).
Signs this part needs replacing
- Intermittent faults or unexplained shutdowns traced to a loose or damaged harness connection
- Visible damage to the loom, such as chafed, cracked or heat-affected insulation
- Discoloured, corroded or burnt connector terminals
- Fault codes or electrical faults that persist after the associated component has been tested
- Harness plugs that no longer seat firmly or lock into their mating connectors
Before you order
- Confirm your appliance model matches the fitment listed above
- Check the harness designation on the existing loom to ensure it is position 2 of 7
- Inspect the connector types and pin count on the existing harness before ordering
- Isolate the electrical supply to the appliance before carrying out any inspection or replacement work
Compliance
| Alternative numbers | 1391798 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT ecoTEC 635 VU 35 CS/1-5 (2023) | 41-694-50 | 41-694-50 | — | — |
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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