
Alpha
Alpha Ignitor Electrode And Lead 3.018304
Ignition electrode and lead for Alpha CD25C, CD28C and CD35C LPG boilers, part number 3.018304.
At a glance
- Part type: ignition electrode and lead
- Also known as IGNITION-ELECTRODE-AND-LEAD, 1257769
£49.74
£41.45 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 3.018304 is an ignition electrode and lead assembly used on Alpha CD-series gas boilers. It provides the spark at the burner to light the gas during a demand for heat or hot water. The lead carries the ignition voltage from the control board to the electrode tip.
Signs this part needs replacing
- Boiler attempts to fire but does not ignite, then locks out
- No visible spark at the electrode when the boiler calls for heat
- Electrode tip is cracked, eroded, or heavily carbon-fouled
- Lead insulation is split, brittle, or shows signs of arcing
- Repeated ignition lockouts that clear after resetting
Before you order
- Confirm your boiler model against the fitment list above
- Check the GC number on the appliance data badge where available
- Inspect the existing electrode and lead for damage before ordering
- Verify the part number 3.018304 matches the component being replaced
Compliance
| Alternative numbers | IGNITION-ELECTRODE-AND-LEAD, 1257769 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD28C EXTRA | — | — | — | |
| ALPHA ALPHA CD28C EXTRA LPG | — | — | — | |
| ALPHA ALPHA CD35C | — | — | — | |
| ALPHA ALPHA CD35C LPG | — | — | — | |
| ALPHA CD25C | 47-532-31 | 47-532-31 | — | — |
| ALPHA CD25C (LPG) | 47-532-32 | 47-532-32 | — | — |
| ALPHA CD28C | 47-532-33 | 47-532-33 | — | — |
| ALPHA CD28C (LPG) | 47-532-34 | 47-532-34 | — | — |
| ALPHA CD28C EXTRA | — | — | — | |
| ALPHA CD28C EXTRA (LPG) | — | — | — |
Showing 10 of 12 compatible appliances.
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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