
Vaillant
Vaillant Wiring Harness Diagnostic 0020175848
Vaillant diagnostic wiring harness, part number 0020175848, for Arotherm VWL 2 A 230V heat pumps.
At a glance
- Part type: wiring harness, diagnostic
- Appliance family: Arotherm VWL 2 A 230V heat pumps
- Also known as 1386334
£9.42
£7.85 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 0020175848 is a diagnostic wiring harness used on Vaillant Arotherm VWL 2 A 230V air-to-water heat pumps. It forms the electrical connection used when running diagnostic checks on the appliance. The harness is supplied as a single part under Vaillant part number 0020175848.
Signs this part needs replacing
- Diagnostic readings are intermittent or absent when the harness is connected
- Visible damage to the harness insulation, such as chafing, cracking or heat marks
- Connectors are loose, corroded or fail to latch onto their terminals
- Continuity faults traced along the harness during fault finding
- The harness has been disturbed or pinched during previous service work
Before you order
- Confirm the appliance model matches one of the VWL 2 A 230V variants listed above
- Check the existing harness part number against 0020175848
- Inspect the connectors and terminals for damage that may also need attention
- Verify the fault lies with the harness rather than the diagnostic equipment or control board
Compliance
| Alternative numbers | 1386334 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 115/2 A 230V | — | — | — | |
| VAILLANT VWL 155/2 A 230V | — | — | — | |
| VAILLANT VWL 55/2 A 230V | — | — | — | |
| VAILLANT VWL 85/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 115/2 A 230V (2013) | — | — | — | |
| VAILLANT aroTHERM VWL 155/2 A 230V (2014) | — | — | — | |
| VAILLANT aroTHERM VWL 55/2 A 230V (2014) | — | — | — | |
| VAILLANT aroTHERM VWL 85/2 A 230V (2013) | — | — | — |
Documents & drawings
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