Vaillant
Vaillant Wiring Harness 0020174523
Vaillant wiring harness, part number 0020174523, for aroTHERM VWZ MWT 150 and VWZ MEH 61 appliances.
At a glance
- Also known as 1386208
£59.11
£49.26 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, part number 0020174523, is a replacement electrical loom for Vaillant aroTHERM VWZ MWT 150 and VWZ MEH 61 appliances. It carries power and control signals between the appliance's main PCB and its electrical components. This part is supplied by Vaillant as a service component.
Signs this part needs replacing
- Visible damage to the harness insulation, such as cuts, chafing or heat marks
- Loose, corroded or discoloured connector terminals
- Intermittent electrical faults or error codes relating to communication or power supply
- The appliance failing to start or operating erratically due to a broken conductor
- Burning smell or signs of overheating at the harness connectors
Before you order
- Confirm your appliance model matches one listed in the Fits section
- Check the existing harness part number against 0020174523
- Inspect the connector types and pin count on your current harness to ensure they match
- Refer to the manufacturer's parts list if you are unsure of compatibility
Compliance
| Alternative numbers | 1386208 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWZ MEH 61 | — | — | — | |
| VAILLANT VWZ MWT 150 | — | — | — | |
| VAILLANT aroTHERM VWZ MEH 61 (2013-2021) | — | — | — | |
| VAILLANT aroTHERM VWZ MWT 150 | — | — | — | |
| VAILLANT aroTHERM VWZ MWT 150 (2013-2021) | — | — | — |
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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