Vaillant
Vaillant Coding Plug (Blue) 0020266328
Blue coding plug for Vaillant Arotherm heat pumps, part number 0020266328.
At a glance
- Also known as 1392688
£8.68
£7.23 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 coding plug (blue) is a small configuration component used on Vaillant Arotherm air source heat pumps. It fits into the appliance's control electronics to set the correct configuration for the model it is installed in. It is supplied under Vaillant part number 0020266328.
Signs this part needs replacing
- The coding plug is missing from its socket on the control board
- The plug body or its pins are cracked, bent or corroded
- The plug is loose in its socket and does not seat correctly
- The appliance reports a configuration or model identification fault
- Faults appear after board work where the plug was not refitted
Before you order
- Confirm the model and variant on the appliance data badge against the fit list above
- Check the colour of the coding plug currently fitted, as colour denotes the configuration
- Inspect the socket on the control board for damage before fitting a replacement
- Check whether the existing plug can simply be reseated rather than replaced
Compliance
| Alternative numbers | 1392688 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 125/6 A 230V S2 (2020-2021) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 125/6 A 230V S2 R1 (2022) | — | — | — |
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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