Vaillant
Vaillant Cable Wiring Harness Igniter Ioni 0010029273
Vaillant cable wiring harness for the igniter and ionisation circuit on Ecotec and Ecotec PLUS appliances.
At a glance
- Also known as 1391702
£19.03
£15.86 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 cable wiring harness (part number 0010029273) connects the igniter and ionisation electrode circuit on Ecotec and Ecotec PLUS condensing appliances. It carries the ignition voltage to the electrode and returns the flame ionisation signal to the control board. The harness is supplied as a complete lead with terminations.
Signs this part needs replacing
- Appliance fails to ignite, with no spark at the electrode
- Repeated lockouts shortly after the burner lights
- Flame detection faults or ionisation errors logged at the control board
- Visible damage to the cable: cracked insulation, scorching, or exposed conductors
- Loose, corroded or heat-damaged connectors at the electrode or board end
Before you order
- Confirm your appliance model and GC number against the fit list above
- Check the part number on the existing harness matches 0010029273
- Inspect the electrode and board connectors for damage before fitting a new harness
- Isolate the electrical supply before removing or refitting the harness
Compliance
| Alternative numbers | 1391702 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT ecoTEC 635 VU 35 CS/1-5 (2023) | 41-694-50 | 41-694-50 | — | — |
| VAILLANT ecoTEC PLUS 832 VUW 25/32 CS/1-5 (2023) | 47-044-93 | 47-044-93 | — | — |
| VAILLANT ecoTEC PLUS 836 VUW 30/36 CS/1-5 (2023) | 47-044-94 | 47-044-94 | — | — |
| 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.
VAILLANT appliance manual — ecoTEC 635 VU 35 CS/1-5 (2023) (GC 41-694-50), ecoTEC PLUS 832 VUW 25/32 CS/1-5 (2023) (GC 47-044-93), ecoTEC PLUS 836 VUW 30/36 CS/1-5 (2023) (GC 47-044-94), ecoTEC PLUS 840 VUW 30/40 CS/1-5 (2023) (GC 47-044-95)
manualmanualVAILLANT appliance manual — ecoTEC PLUS 940 VUI 30/40 CS/1-5 (2023) (GC 47-044-96)
manualNo technical questions yet for this part.
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