Saunier Duval Themafast Condens F25 1 Display Ref. 20018473
RefurbishedSaunier DuvalPCBs (control boards)

Saunier Duval Themafast Condens F25 1 Display Ref. 20018473

80 €VAT includedIn stock · 1 unit

PCB (control board): refurbished spare part that controls the ignition, modulation, and safety features of the boiler. Useful if the boiler does not ignite, locks up, or the display is unresponsive. Compatible with Themafast Condens F30 (ref. 20018473). Includes a one-year warranty and delivery within 2–4 working days in the EU.

1
Consult via WhatsApp
Delivery in 2–4 working days
1-year warranty
14-day return
Technical support

Key Data

Reference
20018473
Brand
Saunier Duval
Type of part
PCBs (control boards)
Available units
1 unit in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 20018473) equips these models. Verified compatibility; check the reference before purchasing.

Themafast Condens

  • Themafast Condens F30

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.

CodeWhat does it mean?Cause and diagnosis (this part)
F.70Invalid product code (DSN)The installed display module/display board is incompatible or was replaced along with the main PCB without reprogramming the variant (DSN), generating a coding fault. Verify by reading d.93 and comparing with the identification plate; confirm the reference/compatibility of the display and recode or replace if necessary.
How do I know if this PCB is for my boiler?
Check the reference 20018473 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?
The PCB controls the ignition, modulation, sensor readings, and safety features of the boiler.
Is the boiler not igniting, locking out, or is the control board unresponsive?
After ruling out mains voltage, fuse, and connectors, a damaged PCB causes lockouts, blackouts, or erratic display. Repair the external cause before installing the new one.
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
After installation, a technician must adjust the service parameters (type of gas, power settings) and check combustion and safety features.
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.

Spare Parts Related Boiler Themafast Condens F25 1

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