Vaillant
Vaillant Printed Circuit Board Installer 0020175842
Installer printed circuit board for Vaillant VWL and Arotherm heat pump models, part number 0020175842.
At a glance
- Also known as 1386324
£112.33
£93.61 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 0020175842 is an installer printed circuit board used in Vaillant VWL and Arotherm heat pump appliances. It forms part of the appliance's control electronics, handling the installer-side control and communication functions within the unit. The board is specific to the 230V VWL models listed below.
Signs this part needs replacing
- The appliance fails to power up or the display and controls remain dead
- Fault codes relating to the control board appear and cannot be cleared
- The heat pump runs erratically, drops out mid-cycle, or ignores installer settings
- Visible damage on the board such as burnt tracks, scorching, or swollen components
- Repeated fuse failure or moisture damage around the board area
Before you order
- Confirm your appliance model against the fitment list above, as the board is model-specific
- Check the part number printed on the existing board matches 0020175842
- Compare the connector layout and pin arrangement with the board being removed
- Isolate the appliance from the electrical supply before removal and fitting
Compliance
| Alternative numbers | 1386324 |
|---|
| 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
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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