Ariston
Ariston Fan 999204
Fan assembly for Ariston Microgenus 23 MFFI and 27 MFFI boilers within specified serial number ranges.
At a glance
- Also known as 1577524, N9022
Showing prices
£113.90
£94.92 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 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
The Ariston 999204 is a fan assembly for Ariston Microgenus gas boilers. It replaces part number 998621 from serial number 2320005600001. The fan moves combustion air and flue gases through the boiler.
Signs this part needs replacing
- Boiler fails to ignite or locks out.
- Fan does not run when the boiler calls for heat.
- Grinding, squealing, or unusual noise from the fan area.
- Intermittent operation or repeated lockouts.
- Visible damage, debris, or stiffness when the fan is turned by hand.
Before you order
- Check the boiler model is Ariston Microgenus 23 MFFI or 27 MFFI.
- Confirm the boiler serial number falls between 2320005600001 and 2320021400002.
- For Edition 2 models, confirm LPG or NG variant as applicable.
- Compare the existing fan assembly and part number 998621 before ordering.
Compliance
| Barcode / EAN | 5411692320324 |
|---|---|
| Alternative numbers | 1577524, N9022 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON MICROGENUS 23 MFFI - FROM SERIAL No 2320005600001 TO SERIAL No 2320021400002 | — | — | — | |
| ARISTON ARISTON MICROGENUS 27 MFFI - FROM SERIAL No 2320005600001 TO SERIAL No 2320021400002 | — | — | — | |
| ARISTON MICROGENUS 23 MFFI LPG EDITION 2 (APR 2000) | 47-116-14 | 47-116-14 | — | — |
| ARISTON MICROGENUS 23 MFFI NG EDITION 2 (APR 2000) | 47-116-14 | 47-116-14 | — | — |
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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