How do I know if this extractor/fan is the one for my boiler?

Verify the reference S1073600 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Fime part.

The extractor/fan evacuates the combustion gases (forced draught).

Does it not start due to a draught fault, make noise, or not spin?

Seized, noisy, or unpowered fan.

Which models is it suitable for?

Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.

Installation and recommendations

Check the connector, the 230 V power supply, and free rotation.

What does refurbished mean and what coverage does it have?

Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

What does the fault code F2 mean on Saunier Duval?

Safety lack of draft/flue gas evacuation (air fault/pressure switch). If the extractor S1073600 does not start or does not provide sufficient flow, the flue pressure switch does not close and the PCB enters SFT showing F2. Check voltage to the fan and that it rotates, depression in the venturi, and closure of the pressure switch.

RefurbishedSaunier Duval Extractors

Saunier Duval Themafast F 25 E H Extractor MOD Fime L25X0E13/01 Ref. S1073600

55 €VAT includedIn stock · 5 units

Extractor: refurbished spare part that evacuates combustion gases with forced draft. Useful if it doesn't start due to draft failure, makes noise, or doesn't spin. Compatible with Themafast F 24 E, Themafast F 25 E, Themafast F 25 E H-MOD (ref. S1073600). Includes a one-year warranty and delivery within 2–4 working days in the EU.

Consult via WhatsApp

Not sure if it's your part? Send us a photo of the screen printing via WhatsApp and we'll confirm compatibility before you purchase.

Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: S1073600
Brand: Saunier Duval
Type of part: Extractors
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. S1073600) equips these models. Verified compatibility; check the reference before purchasing.

Themafast

Themafast F 24 E
Themafast F 25 E
Themafast F 25 E H-MOD

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

Code	What does it mean?	Cause and diagnosis (this part)
F2	Safety lack of draft/flue gas evacuation (air fault/pressure switch).	If the extractor S1073600 does not start or does not provide sufficient flow, the flue pressure switch does not close and the PCB enters SFT showing F2. Check voltage to the fan and that it rotates, depression in the venturi, and closure of the pressure switch.

How do I know if this extractor/fan is the one for my boiler?: Verify the reference S1073600 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Fime part.
What is it used for?: The extractor/fan evacuates the combustion gases (forced draught).
Does it not start due to a draught fault, make noise, or not spin?: Seized, noisy, or unpowered fan.
Which models is it suitable for?: Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations: Check the connector, the 230 V power supply, and free rotation.
What does refurbished mean and what coverage does it have?: Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

Saunier Duval Themafast F 25 E H Extractor MOD Fime L25X0E13/01 Ref. S1073600

Key Data

Themafast

Spare Parts Related Boiler Themafast F 25 E H MOD Fime L25X0E13/01