Vaillant
Vaillant Wiring Harness 24V 0020175844
24V wiring harness for Vaillant Arotherm VWL 85/2 and 115/2 A 230V heat pumps built before 03/2015.
At a glance
- Also known as 1386328
£120.44
£100.37 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 0020175844 is a 24V wiring harness used on Arotherm VWL 85/2 and VWL 115/2 A 230V air source heat pumps. It carries low-voltage control and communication wiring between the unit's electrical components. This variant is specified for appliances manufactured before 03/2015 running HMU software version 0288.02.01 or lower.
Signs this part needs replacing
- Frayed, cracked or heat-damaged insulation on the harness wiring
- Corroded, discoloured or burnt connector pins and terminals
- Intermittent faults or error codes traced to the low-voltage control circuit
- Chafing or abrasion where the harness runs against the casing or chassis
- Loss of communication between the HMU and connected components
Before you order
- Confirm the HMU software version is 0288.02.01 or lower, as this harness is specified for that build
- Check the appliance manufacture date falls before 03/2015
- Verify the model number is VWL 85/2 A 230V or VWL 115/2 A 230V
- Inspect the existing harness connectors and routing so the replacement matches the installed layout
Compliance
| Alternative numbers | 1386328 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 115/2 A 230V | — | — | — | |
| VAILLANT VWL 85/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 115/2 A 230V (2013) | — | — | — | |
| VAILLANT aroTHERM VWL 85/2 A 230V (2013) | — | — | — |
Documents & drawings
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