
Vaillant
Vaillant Wiring Harness Heat Engine 0010029293
Wiring harness for the heat engine on selected Vaillant Ecotec 635 and Ecotec PLUS 840 and 940 appliances.
At a glance
- Also known as 1391720
£29.71
£24.76 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 0010029293 is a wiring harness for the heat engine assembly. It provides the electrical connections between the heat engine and the appliance's control and power circuits on the listed Ecotec models. It is supplied as a single harness.
Signs this part needs replacing
- Intermittent operation or unexplained shutdowns traced to the heat engine circuit
- Fault codes relating to the heat engine or its associated sensors
- Chafed, cracked or heat-damaged insulation along the harness
- Loose, corroded or discoloured connector terminals
- Signs of arcing, scorching or burning at the plug ends
Before you order
- Confirm your appliance model and GC number against the fit list above
- Check the part number on the existing harness where it is legible
- Compare connector type and pin count against the harness being removed before fitting
Compliance
| Alternative numbers | 1391720 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT ecoTEC 635 VU 35 CS/1-5 (2023) | 41-694-50 | 41-694-50 | — | — |
| VAILLANT ecoTEC PLUS 840 VUW 30/40 CS/1-5 (2023) | 47-044-95 | 47-044-95 | — | — |
| VAILLANT ecoTEC PLUS 940 VUI 30/40 CS/1-5 (2023) | 47-044-96 | 47-044-96 | — | — |
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.
No technical questions yet for this part.
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