
Baxi
Baxi Connection Board - Wiring 7664034
Wiring connection board, part 7664034, for Baxi 224, 228, 424 and 428 ErP Combi boilers.
At a glance
- Part type: connection board, wiring
- Also known as 1132244, N8869
£68.14
£56.78 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 Baxi 7664034 is a wiring connection board used in Baxi ErP Combi boilers. It provides the electrical interface between the boiler's wiring harness and the control components, carrying signals and power around the appliance. It is fitted as part of the boiler's electrical assembly.
Signs this part needs replacing
- The boiler fails to power up or shows no response when switched on
- Intermittent faults or error codes that come and go with movement of the wiring
- Visible scorching, discolouration or heat damage on the board
- Loose, corroded or burnt connector terminals on the board
- Components such as the fan or pump not receiving power despite a healthy supply to the boiler
Before you order
- Confirm your boiler model against the fit list above before ordering
- Check the part number printed on the existing board matches 7664034
- Inspect the wiring harness and plugs for damage, as a faulty loom can mimic a board fault
- Isolate the electrical supply to the boiler before removing or fitting any board
Compliance
| Alternative numbers | 1132244, N8869 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 224 ErP COMBI | 47-077-21 | 47-077-21 | — | — |
| BAXI 228 ErP COMBI | 47-077-22 | 47-077-22 | — | — |
| BAXI 424 ErP COMBI | 47-077-23 | 47-077-23 | — | — |
| BAXI 428 ErP COMBI | 47-077-24 | 47-077-24 | — | — |
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.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
