
Vaillant
Vaillant GMC Electronics 0020127203
Vaillant GMC electronics module 0020127203 for geoTHERM VWL 45/1, 65/1 and 75/1 A 230V units.
At a glance
- Part type: GMC electronics
- Appliance family: Vaillant geoTHERM VWL
- Also known as 1385181
£521.89
£434.91 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 0020127203 is a GMC electronics module used across the Vaillant geoTHERM VWL range. It provides the control electronics for GMC 4-6-8-12-15 kW applications. It is fitted to the VWL 45/1, 65/1 and 75/1 A 230V models.
Signs this part needs replacing
- The appliance fails to power up or shows no response at the control panel
- Fault codes relating to the control electronics appear and cannot be cleared
- Erratic or intermittent operation of the unit's control functions
- The unit stops responding to heating or hot water demand
- Visible damage, moisture ingress or burning on the electronics board
Before you order
- Confirm your appliance model against the fit list above
- Check the part number printed on the existing electronics module matches 0020127203
- Verify the kW rating of your unit falls within the GMC 4-6-8-12-15 kW range
- Isolate the power supply before removing or fitting any electronics component
Compliance
| Alternative numbers | 1385181 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 45/1 A 230V | — | — | — | |
| VAILLANT VWL 65/1 A 230V | — | — | — | |
| VAILLANT VWL 75/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 45/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 65/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 75/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 75/1 A 230V | — | — | — |
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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