
Circulating Pump for Sémia C 24 Boiler - Ref. 0010030688
The circulation pump for the Sémia C 24 boiler is responsible for moving water through the heating circuit. If it fails, you will notice cold radiators, strange noises, and there may be overheating or blockages due to lack of circulation. This pump is compatible with models such as Sémia C 24 and Sémia F 24, among others. It is advisable to replace it when it shows faults or when the fault codes F.23 or F.24 are triggered.
VAT included
Consult via WhatsAppSaunier Duval boilers compatible with reference 0010030688
Circulating pump with reference 0010030688. Two confirmed compatibilities: Semia C 24 and Semia F 24.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Saunier Duval Semia C 24 | Semia | Contrasted |
| Saunier Duval Semia F 24 | Semia | Contrasted |
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 ref. 0010030688 is the part for your boiler
What determines it is not the boiler model, but the reference printed on the part you already have installed.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 0010030688. 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 and faults that the circulation pump 0010030688 resolves.
The circulation pump circulates the water in the heating circuit. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The heating water comes out lukewarm and the radiators do not fully heat up.
Cause: The pump is not generating enough pressure because the impeller is spinning loosely.
Check the pressure of the installation on the manometer before assuming that the pump is faulty.
- 02
The boiler makes a buzzing or vibrating noise that is especially noticeable when the heating is on.
Cause: There may be air trapped in the pump or the impeller is worn, which causes that noise when it spins.
Bleed the air from the circuit using the bleed valve on the pump before replacing it.
- 03
The pump does not start when heating is requested, and the boiler ends up showing a fault.
Cause: The motor cannot move the impeller because it is jammed, so the boiler does not detect circulation and locks out.
Try to manually unlock the shaft using a screwdriver in the rear slot of the motor before replacing it.
- 04
After a period of not using the boiler, the pump remains stopped and does not respond.
Cause: Lime has accumulated inside and has seized the shaft because the water has not moved for a long time.
Manually force the impeller to turn; if it releases just with that, you don't need to replace the part.
Fault codes from Saunier Duval that this spare part resolves.
| Code | Fault | Diagnosis and solution |
|---|---|---|
| F.23 | The boiler shuts down for safety: large temperature difference between supply and return. | If the circulation pump is blocked or malfunctioning, it does not move enough water and the supply line gets much hotter than the return line. Check if the pump is spinning (make sure it receives 230 V, check its consumption, and bleed the air). If it is stuck or does not start, replace it. |
| F.24 | The boiler shuts down for safety: the temperature rises too quickly. | When the circulation pump is blocked or worn out, it does not move the water properly and the system temperature rises quickly. Listen for any noise from the pump while it is running and bleed the air. If it does not move or vibrates without water, replace it. |
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 circulator pump 0010030688
- Catalogue reference
- 0010030688
- Brand
- Saunier Duval
- Type of part
- Pumps
- Units in stock
- 5 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Manuals and technical documentation
Official documentation of the boiler, useful for locating the part and cross-referencing the fault codes.
- Saunier Duval Semia C 24 Manual (PDF)Document © Saunier Duval, provided as a technical reference.












