Saunier Duval Thema NOx F25 B 1 Extractor Fan Motor Ref. 0020124898
Saunier Duval Thema NOX includes the exhaust fan motor Saunier Duval Thema NOX F25 B 1, which is responsible for expelling combustion gases and creating the necessary draft for the boiler to start. If this part fails, you will notice that the boiler does not ignite or gets locked due to a flue gas evacuation fault, and the fault code F.32 may appear. It is installed in models such as Thema NOX F25 and Thema NOX F25-B, among others. A technician must confirm through diagnosis whether it needs to be replaced when there are ignition or locking issues.
- Type of part
- Extractor fans
- Status
- Refurbished
- Catalogue reference
- 0020124898
- Warranty
- 1 year
Saunier Duval boilers compatible with reference 0020124898
Extractor with reference 0020124898. Two confirmed compatibilities: Thema NOX F25 and Thema NOX F25-B.
Verified compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Saunier Duval Thema NOx F25 | NOX Thema | Verified |
| Saunier Duval Thema NOx F25-B | NOX Thema | Verified |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if the reference 0020124898 is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 0020124898. If it is not visible, do not identify the part from its shape alone.
- Check the full boiler model on its data plate and look for it in the model associations on this page.
- Compare the connections and physical body with the original part before installation.
- If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Symptoms that require diagnosis in the extractor 0020124898
The extractor evacuates the combustion gases with forced draft. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The extractor does not start and the boiler does not even make an attempt to ignite.
Cause: If the extractor is not working, the control board does not allow gas to enter because it cannot ensure the smoke outlet.
Check if the extractor is receiving power but not spinning, or if it is not receiving power at all; these are two different faults and it's important to distinguish them before making a purchase.
- 02
Noticeable noise or vibration in the fan when the boiler is running.
Cause: Worn bearings or an unbalanced turbine cause that buzzing or rattling noise.
Touch the casing of the extractor while the boiler is running; if the vibration is strong and constant, it indicates an internal mechanical fault.
- 03
The boiler locks out with a flue fan fault or lack of draft just when trying to ignite.
Cause: The control unit waits for a correct rotation signal from the fan, and if it does not receive it in time, it aborts the ignition for safety reasons.
Check the flue and the external grille before replacing the extractor; a blockage can cause the same symptom.
- 04
The boiler does not ignite at any moment; it remains locked from the first attempt.
Cause: A completely stopped extractor, not spinning, prevents any ignition sequence from starting.
With the boiler unplugged, try to turn the turbine by hand; if it is stuck, the motor is the most likely cause.
Fault codes Saunier Duval that require diagnosis
| Code | Fault | Technical checks |
|---|---|---|
| F.32 | Fan fault | The boiler cannot operate correctly due to a fault in the fan. This causes it to disconnect automatically to protect the system. Check the fan and make sure it is clean and functioning. |
These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.
Data sheet for the Saunier Duval extractor 0020124898
- Catalogue reference
- 0020124898
- Uniclima internal SKU
- ECSDTNB1
- Brand
- Saunier Duval
- Type of part
- Extractor fans
- Units in stock
- 3 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- Delivery time shown at checkout
- Return
- 14 days
- The reference 0020124898 is the one currently listed in the catalog, without verifying against the part.
Manuals and technical documentation
Official documentation of the boiler, useful for locating the part and cross-referencing the fault codes.
- Saunier Duval Thema Nox F25 Manual (PDF) Document © Saunier Duval, provided as a technical reference.
Frequently asked questions about the extractor 0020124898
Does this extractor fan Ref. 0020124898 fit my Saunier Duval Thema NOX F25?
Is this extractor fan compatible with the Saunier Duval Thema NOX F25-B?
In which fault of the Thema NOX F25 does this fan need to be replaced?
What is the reference for this extractor fan?
What fault code is related to this fan?
How many models are compatible with this extractor fan?
