Vaillant
Vaillant Wiring Harness 0020174529
Wiring harness for Vaillant aroTHERM VWZ MEH 61 and VWZ MWT 150 units, part number 0020174529.
At a glance
- Also known as 1386216
Showing prices
£13.28
£11.07 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 0020174529 wiring harness is an electrical loom used on Vaillant aroTHERM VWZ MEH 61 and VWZ MWT 150 units. It provides the internal electrical connections within the appliance.
Signs this part needs replacing
- Cracked, chafed or heat-damaged cable insulation
- Exposed or broken conductors at the plug or terminal ends
- Loose, corroded or discoloured connector pins
- Intermittent electrical faults or error codes traced to the harness
- Rodent damage or moisture ingress along the loom
Before you order
- Confirm your appliance model matches one of the fitment lines above
- Check the part number on the existing harness against 0020174529
- Compare the connector layout and pin count with the harness being replaced
Compliance
| Alternative numbers | 1386216 |
|---|
| 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) | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.