Vaillant
Vaillant Wiring Harness 0020210209
Wiring harness with coding resistor for Vaillant ecoTEC PRO boilers, part number 0020210209.
At a glance
- Part type: wiring harness with coding resistor
- Also known as 1388028
£30.90
£25.75 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 wiring harness with coding resistor, part number 0020210209, is a wiring assembly used on Vaillant ecoTEC PRO boilers. It carries the electrical connections and the coding resistor that the boiler's control electronics read to identify the appliance configuration. It is supplied as a manufacturer part for the ecoTEC PRO 22 and ecoTEC PRO 26 range.
Signs this part needs replacing
- Boiler fails to fire or locks out with a fault relating to the harness or coding resistor
- Intermittent electrical faults or erratic boiler behaviour
- Visible damage, scorching or brittle insulation on the harness
- Loose, corroded or heat-damaged connector terminals
- Fault remains after other electrical checks have been completed
Before you order
- Confirm the model and variant on the boiler data badge matches the fitment list
- Check the existing harness part number and coding resistor against 0020210209
- Inspect the connectors and loom routing for damage before fitting
- Isolate the electrical supply before removal or fitting
Compliance
| Alternative numbers | 1388028 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 226/5-3 A R4 - (ONLY GUERNSEY/JERSEY) | — | — | — | |
| VAILLANT VU 226/5-3 R4 - (ONLY GUERNSEY/JERSEY) | — | — | — | |
| VAILLANT VUW 266/5-3 A R4 - (ONLY GUERNSEY/JERSEY) | — | — | — | |
| VAILLANT VUW 266/5-3 R4 - (ONLY GUERNSEY/JERSEY) | — | — | — | |
| VAILLANT ecoTEC PRO 22 VU 226/5-3 A R4 | — | — | — | |
| VAILLANT ecoTEC PRO 22 VU 226/5-3 A R4 (2015) - (ONLY GUERNSEY/JERSEY) | — | — | — | |
| VAILLANT ecoTEC PRO 22 VU 226/5-3 R4 | — | — | — | |
| VAILLANT ecoTEC PRO 22 VU 226/5-3 R4 (2014-2015) - (ONLY GUERNSEY/JERSEY) | — | — | — | |
| VAILLANT ecoTEC PRO 26 VUW 266/5-3 A R4 | — | — | — | |
| VAILLANT ecoTEC PRO 26 VUW 266/5-3 A R4 (2015) - (ONLY GUERNSEY/JERSEY) | — | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
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