
Alpha
Alpha Fan Assembly 1.021744
Fan assembly for Alpha HE Cb33 (LPG) and He33 (LPG) gas boilers, part number 1.021744.
At a glance
- Also known as 1250317
Showing prices
£176.93
£147.44 ex. VAT · VAT at 20%
Available to order · 1 working day
Available to order · 1 working day
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
The Alpha 1.021744 is a fan assembly for Alpha HE Cb33 (LPG) and He33 (LPG) gas boilers. It draws flue gases through the heat exchanger and pushes them out through the flue, supporting safe combustion and correct boiler operation.
Signs this part needs replacing
- Fan is noisy, grinding or rattling during operation
- Boiler fails to ignite or locks out
- Fan does not run when the boiler calls for heat
- Repeated fan-related fault codes on the boiler display
- Overheating or poor flue performance linked to weak fan operation
Before you order
- Confirm your boiler model is Alpha HE Cb33 (LPG) or He33 (LPG)
- Check the GC number on the appliance data badge matches 47-532-44
- Verify the existing fan assembly part number is 1.021744
- Confirm the boiler is the LPG variant before ordering
Compliance
| GC number | H28-382 |
|---|---|
| Barcode / EAN | 8015065372704 |
| Alternative numbers | 1250317 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA HE CB33 | 47-532-26 | 47-532-26 | — | — |
| ALPHA HE CB33 (LPG) | 47-532-44 | 47-532-44 | — | — |
| ALPHA HE33 | 47-532-43 | 47-532-43 | — | — |
| ALPHA HE33 (LPG) | 47-532-44 | 47-532-44 | — | — |
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.
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