
Ferroli Honeywell Air Pressure Switch C6065F1241 (ref. 39805631)
Honeywell air pressure switch, code C6065F1241:2, for Ferroli boilers from the Domicompact/Domina/Domitop/New Elite F24-F30 series. It switches at a pressure of 1.65 mbar (max. 6 mbar) and cuts ignition if the extractor does not generate the necessary draft. It is replaced when the boiler locks due to draft or extraction failure.
Spare parts related to Ferroli Domina
Ferroli boilers compatible with reference 39805631
Pressure switch with reference 39805631. Five confirmed compatibilities with two independent sources: Domina F24E and Domina F30E. Verify the printed reference on your part before purchasing.
Compatibility confirmed
| Boiler model | Family | Verification |
|---|---|---|
| Ferroli Domina F24E | Domina | Confirmed · 2 sources |
| Ferroli Domina F30E | Domina | Confirmed · 2 sources |
| Ferroli Domitop DGT F30E | Domitop | Confirmed · 2 sources |
| Ferroli New Elite F24 | New Elite | Confirmed · 2 sources |
| Ferroli Domicompact F24 | Domicompact | Confirmed · 2 sources |
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. 39805631 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.
- Locate the reference printed on the body of the pressure switch you have installed: it should indicate 39805631.
- Check your boiler model on the nameplate and look for it in the list of compatible models on this page.
- Compare the connections and the body with the original part before installing.
- If you have any doubts, send us a photo of the screen printing via WhatsApp and we'll confirm it for you before you purchase.
Symptoms and faults resolved by pressure switch 39805631
The pressure switch controls the air or water pressure to authorize operation. These are the typical symptoms and what to do:
The boiler gets locked due to a draft or flue extraction fault.
Cause: The pressure switch must close the contact upon reaching its switching pressure, and if it doesn't, the control unit locks the equipment.
Check that the pressure switch ports are not blocked and that the silicone tubes are not disconnected.
The fan starts normally but the burner never ignites.
Cause: Without the pressure signal from the pressure switch, the control unit does not authorize the opening of the gas valve for safety reasons.
Check that the fan does not have any rubbing noise and is not spinning slower than usual before replacing the pressure switch.
The display shows an error related to the air pressure switch.
Cause: It is the fault code given by the control unit when it does not detect the pressure switch contact closure within the expected time.
Check the wiring and connector of the pressure switch, as they sometimes come loose due to vibration, before replacing the part.
It has been experiencing intermittent ignition faults for some time, not always on the same day.
Cause: A contact that starts to fail due to wear may switch correctly sometimes and incorrectly at other times.
Note if the fault always occurs when cold or also when hot; it helps to distinguish the pressure switch from an extractor problem.
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.
Datasheet for Ferroli pressure switch 39805631
- OEM reference
- 39805631
- Brand
- Ferroli
- Type of part
- Pressure switches
- Units in stock
- 1 unit
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Data read on the part and in the manufacturer's documentation
What we have not been able to verify does not appear here.
- Manufacturer
- Honeywell
label - Honeywell code
- C6065F1241:2
label - Switching pressure
- P=1.65 mbar
label - Maximum pressure
- max. 6 mbar
label - Voltage
- 250V~
label - Contact current
- 1.5(0.5)µ (unit not clear on the label)
label - CE code
- CE-0063AP3085/1
label - Date/lot code
- 0204F
label - Place of manufacture
- MADE IN CHINA
label
- The reference 39805631 from the current catalog does not appear on the part's label (which shows the Honeywell code C6065F1241:2) and is not confirmed by external sources; verify it before purchasing.
- The current catalog mentions the 'Domi Projet F 24' model, which is not listed in the verified compatible boilers list (Domicompact, Domina, Domitop, New Elite F24/F30); please check the exact model of your boiler.
- The rear face of the piece shows a microswitch with partially illegible inscription (approx. V-5610R-0A1 / 1.5A-250VAC); reading not 100% reliable.
- The contact current unit (1.5(0.5)µ) is not clearly readable on the label.











