Alpha
Alpha Printed Circuit Board 1.017658
Printed circuit board for the Alpha CB50 LPG gas boiler, controlling ignition, fan and pump operation.
At a glance
- Appliance family: Alpha CB50
- Also known as 1250191
£287.16
£239.30 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 1.017658 is a printed circuit board (PCB) for the Alpha CB50 gas boiler. It controls the boiler's operating sequence, including ignition, fan and pump operation, and safety lockout functions. This board is specified for the LPG version of the CB50.
Signs this part needs replacing
- Boiler does not power up, or the display and indicators remain dead
- Boiler fails to fire or repeatedly locks out
- Fan, pump or ignition sequence does not start
- Intermittent or erratic boiler behaviour
- Visible damage, burn marks or corrosion on the board
Before you order
- Confirm the appliance is an Alpha CB50 LPG model
- Check the part number printed on the existing PCB matches 1.017658
- Isolate the electrical supply before removing or fitting the board
- Check associated components such as fuses, sensors and wiring before concluding the PCB is at fault
Compliance
| Alternative numbers | 1250191 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CB50 | — | — | — | |
| ALPHA CB50 | 47-532-18 | 47-532-18 | — | — |
| ALPHA CB50 (LPG) | — | — | — |
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.
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