Vaillant
Vaillant Wiring Harness 0020233510
Vaillant wiring harness, part number 0020233510, for Ecotec Exclusive gas boilers.
At a glance
- Part type: wiring harness
- Appliance family: Ecotec Exclusive
- Also known as 1388270
£35.06
£29.22 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
The Vaillant 0020233510 is a wiring harness used in Vaillant Ecotec Exclusive gas boilers. It carries the electrical connections between components within the appliance, forming part of the boiler's internal wiring loom. It is supplied as a single harness assembly.
Signs this part needs replacing
- Boiler fails to power up or intermittently loses power with no other fault indicated
- Error codes relating to lost communication or missing component signals
- Visible damage to the harness, such as chafed, burnt or brittle insulation
- Loose, corroded or heat-damaged connector terminals
- Faults that change or disappear when the loom is moved or reseated
Before you order
- Confirm the boiler model and GC number against the fitment list above
- Inspect the existing harness and connectors to identify the failed section
- Check that the fault is not caused by a separate component the harness connects to
- Isolate the appliance from the electrical supply before any inspection or replacement work
Compliance
| Alternative numbers | 1388270 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VUW 356/5-7 | 47-044-66 | 47-044-66 | — | — |
| VAILLANT VUW 436/5-7 | 47-044-67 | 47-044-67 | — | — |
| VAILLANT ecoTEC EXCLUSIVE 835 VUW 356/5-7 (2016) | 47-044-66 | 47-044-66 | — | — |
| VAILLANT ecoTEC EXCLUSIVE 843 VUW 436/5-7 (2016) | 47-044-67 | 47-044-67 | — | — |
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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