Alpha
Alpha CD90S burner 1.028343
Genuine Alpha burner, part number 1.028343, for the CD90S boiler.
At a glance
- Part type: Burner
- Also known as BURNER-CD90S, 1259574
- Have the work carried out by a Gas Safe registered engineer
Showing prices
£409.64
£341.37 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
This is Alpha's burner, part number 1.028343, fitted to the CD90S boiler. It is the component within the combustion chamber where the gas and air mixture is ignited to produce heat.
Signs this part needs replacing
- Uneven, yellow or lifting flame instead of a clean blue flame
- Visible corrosion, holes or damage to the burner
- Boiler locking out on a flame-related fault
- Sooting or unusual combustion smell
Before you order
- Confirm the part number printed on your existing burner matches 1.028343
- Isolate gas and power before opening the combustion chamber
- Have the work carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | BURNER-CD90S, 1028343, 1259574 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD90S | — | — | — | |
| ALPHA CD90S (LPG) | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.