Saunier Duval SYMSI 7.0 PCB · 0310144400P16 for Themafast F25 E H-MOD

To confirm: It is the control board of the boiler: it is responsible for ignition, modulation, safety, and temperature management. It is suspected if the boiler does not ignite or respond, restarts, or shows faults without a physical cause.

Type of part: Saunier Duval
Status: Refurbished
internal SKU: PLC097
Warranty: 1 year

VAT included Stock · 2 units

Compatibility

Compatible Saunier Duval boilers

Saunier Duval. Four confirmed compatibilities: Saunier Duval Themafast F25 E H-MOD and Saunier Duval Themaclassic F25E. There are another 4 models that we are still verifying.

Proven compatibility

Boiler model	Family	Verification
Saunier Duval Themafast F25 E H-MOD	Saunier Duval	Contrasted
Saunier Duval Themaclassic F25E	Saunier Duval	Contrasted
Saunier Duval Themafast C 25 E	Saunier Duval	Contrasted
Saunier Duval F1LA	Saunier Duval	Contrasted

Models pending verification

These models are associated with this reference, but we have not finished verifying them yet, so we do not consider them compatibleIf your boiler is one of them, send us a photo of the part you are going to replace and we will verify it before you purchase.

Saunier Duval Themafast F 30 E H-MOD	Saunier Duval	Unconfirmed
Saunier Duval Themafast F 24 E	Saunier Duval	Unconfirmed
Saunier Duval Themaclassic C 24 E, C 25 E, F 24 E and AS 24/25/30 E	Saunier Duval	Unconfirmed
Saunier Duval Themafast F25E and F30E	Saunier Duval	Unconfirmed

Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.

Guide

How to check if it is the part for your boiler

The part reference, model, and equipment revision must be verified against the manufacturer's documentation.

Look for the silkscreen 0310144400P16 and the designation SYMSI7.0 (or SYMSI 7.0) in the circuit.
To confirm: 0310144400N14 and 0310144400015 are other versions, not this one. 0310144400T01 appears alongside S10470 and does not connect to the P16.
Count the relays and check their position and that of the connectors: under the same code there are different versions.
Look at the model on your boiler's PCB. Confirmed: Themafast F25 E H-MOD, C 25 E, Themaclassic F25E and F1LA. Unconfirmed: Themafast F 24 E and F 30 E H-MOD.
If they match, call us at 911 17 77 77 with the model of your boiler.

Diagnosis and fault codes

Symptoms that require diagnosis in the Saunier Duval.

Common symptoms and faults

01
The boiler does not ignite or respond to any commands.
Cause: it is associated with the SYMSI 7.0 PCB of the Themafast.
02
Errors on the screen without a physical cause or restarts in the middle of a heating cycle.
Cause: According to that, they may come from the PCB.
03
Stuck relays, burnt tracks or oxidation in the circuit.
Cause: They can be seen when looking at the PCB.

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.

Technical data

Saunier Duval

Uniclima internal SKU: PLC097
Brand: Saunier Duval
Type of part: Saunier Duval
Units in stock: 2 units
Status: Refurbished
Warranty: 1 year
Shipping: Delivery time shown at checkout
Return: 14 days

Part data and available documentation

Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.

Terminal silkscreen: TA 230V; ALIM 230V
Inventory — Subcomponent relay: FINDER 40.52
Inventory — Subcomponent relays: OMRON
Inventory — Application indicated in inventory: THEMAFAST F25 E H-MOD
Additional information — Power supply: 230 V · 50 Hz · Heating and Air Conditioning · P16 V1
Additional information — Relays: 4 (version P16 V1) · Heating and Air Conditioning
Identification — Marked code: 0310144400P16
Identification — Marked code: APC 6b 94V-0
Technical sheet: Terminal screen printing: TA 230V; ALIM 230V
Inventory data — Subcomponent relay: FINDER 40.52
Inventory data — Subcomponent relays: OMRON
Inventory data — Application indicated in inventory: THEMAFAST F25 E H-MOD
Registered model: SYMSI7.0

Before purchasing

To confirm: Saunier Duval Themafast F 30 E H-MOD —, with the P16 (the list is the same for the 015), with S10470 or N14.
To confirm: Saunier Duval Themafast F 24 E — it is provided with the P16 (and repeats the list for the 015). Heating and Air Conditioning also mentions "F 24 E" with the P16, but in a general list without family: it doesn't count. (S10470) and (N14), with other codes.
To confirm: Saunier Duval Themaclassic C 24 E, C 25 E, F 24 E and AS 24/25/30 E — with SYMSI 7.0:; gives S10470
To confirm: Saunier Duval Themafast F25E and F30E — with SYMSI 7.0: (P16) and (N14)
Do not confuse: 0310144400N14 — Another version SYMSI 7.0, which is compatible with Themafast F24 E, F25 E H-MOD and F30 E H-MOD — Different termination: compare relays and connectors.
Do not confuse: 0310144400015 — Version V4 with 3 relays (2+1), according to Heating and Air Conditioning — It is not the P16: the P16 V1 has 4 relays.
0020021125 and SD00081C come from the label of a unit; they are not mentioned.
and they join the P16 with the SYMSI 7.0 from Saunier Duval. Without official breakdown and with other versions (N14, 015): compare the code in the unconfirmed boilers.

Frequently Asked Questions

Frequently asked questions: Saunier Duval

How do I identify this PCB?

Look for the silkscreen 0310144400P16 and the designation SYMSI7.0 in the circuit: our three units have both. The Themafast C 25 E also has 0020021125 and SD00081C on the label.

Is it compatible with my Themafast F25 E H-MOD, Themafast C 25 E, Themaclassic F25E or F1LA?

To confirm: Yes. Confirmed: for those four boilers. It provides the P16 for the F25 E H-MOD. It provides the F25 E H-MOD with the N14 and the Themaclassic F25E, the C 25 E and the F25 E H-MOD with the S10470, other references from the family. It mentions the Themaclassic F25E in SYMSI 7.0.

Is it compatible with the Themafast F 30 E H-MOD or the F 24 E?

They are not among the confirmed ones. F 30 E H-MOD: and it is listed with the P16 (the same list for the 015), with S10470 or N14 (this warns that the F25 and F30 do not use the same parts). F 24 E: it is listed with the P16 and repeats the list for the 015; Heating and Air Conditioning mentions it in a general list without a family. Compare the code of your PCB or send us a photo of the label from Contact (911 17 77 77).

What is the difference between the P16 and the N14, 015, or T01 endings?

N14 and 015 are different versions of the SYMSI 7.0. It states that the N14 suffix distinguishes variants and is given for the F25 E H-MOD, which is registered confirmation: with the P16. Heating and Air Conditioning lists the P16 V1 with 4 relays and the 0310144400015 V4 with 3 relays (2+1). The T01 only appears alongside S10470: without additional confirmation, it links to the P16.

What do the codes on the PCB mean?

0310144400P16 is the printed circuit code and SYMSI7.0 is its designation. 0020021125 and SD00081C are listed on the unit label for the Themafast C 25 E; S10470 (also S1047000) is the catalog code for the SYMSI 7.0, which is not linked to the P16.

What symptoms point to this PCB and who should install it?

quote for the SYMSI 7.0 of the Themafast: boiler that does not ignite or does not respond, errors without physical cause, resets mid-cycle, and stuck relays or burnt tracks. It must be installed by a qualified technician: it operates at 230 V; it is recommended to disconnect the power supply and return each connector to its identical position.

How to identify this PCB?

Compare the silkscreen, the distribution of the connectors, and the exact variant of the circuit with the photographs.

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Saunier Duval SYMSI 7.0 PCB · 0310144400P16 for Themafast F25 E H-MOD