
Vaillant
Vaillant Wiring Harness 24V 0020216291
24V wiring harness for Vaillant Arotherm heat pumps built after 04/2015 with HMU software 0288.02.02 or later.
At a glance
- Also known as 1392538
£130.85
£109.04 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 0020216291 is a 24V wiring harness used on Arotherm air-to-water heat pumps. It carries low-voltage control and signal connections between the unit's components. This version is specified for appliances manufactured after 04/2015 running HMU software version 0288.02.02 or later.
Signs this part needs replacing
- Frayed, cracked or heat-damaged insulation along the loom
- Corroded, discoloured or burnt pins in the plug connectors
- Intermittent faults or error codes traced back to the control wiring
- Components failing to receive a signal or losing communication with the control board
- Moisture ingress or chafing where the harness passes through the casing
Before you order
- Confirm the appliance was manufactured after 04/2015
- Check the HMU software version is 0288.02.02 or later
- Match your model against the fitment list above
- Inspect the existing harness and connectors for damage before ordering
Compliance
| Alternative numbers | 1392538 |
|---|
| 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
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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