
Alpha
Alpha Main Wiring Assembly Complete 1.038089
Complete main wiring assembly for Alpha InTEC 2 and ECO 2 PLUS boilers, supplied with all components.
At a glance
- Also known as 1258801
£119.48
£99.57 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 Alpha main wiring assembly complete (part number 1.038089) is the internal wiring harness that carries electrical connections between the boiler's controls, sensors, fan, pump and other components. It is manufactured by Alpha for the InTEC 2 and ECO 2 PLUS gas boiler families. The assembly is supplied complete with all components.
Signs this part needs replacing
- Boiler fails to power up or does not respond to the controls
- Intermittent lockouts or fault codes traced to the wiring
- Visible heat damage, brittle or frayed insulation on the harness
- Loose, corroded or burnt connector terminals
- Components such as the fan or pump not receiving power
Before you order
- Confirm your boiler model and GC number against the fitment list
- Check the part number on the existing harness where it is visible
- Inspect connector types and plug layout before removal
- Isolate the boiler from the electrical supply before fitting
Mechanical
| Part type | Main Wiring Assembly |
|---|
Compliance
| Manufacturer part number (MPN) | 1038089 |
|---|---|
| Alternative numbers | 1258801 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA ECO 2 PLUS | — | — | — | |
| ALPHA ALPHA ECO 2 PLUS BOILER | 47-532-63 | 47-532-63 | — | — |
| ALPHA ALPHA InTEC 2 25XE | — | — | — | |
| ALPHA ALPHA InTEC 2 28XE | — | — | — | |
| ALPHA InTEC 2 25XE | — | — | — | |
| ALPHA InTEC 2 28XE | — | — | — |
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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