
Honeywell W4115B-1317 PCB for Gas Boiler
It is the PCB that controls the boiler: it manages the ignition, the fan or the pump, the sensors, and the gas valve.
- Type of part
- PCBs (control boards)
- Status
- Refurbished
- internal SKU
- TC00596ATX
- Warranty
- 1 year
Honeywell compatible boilers
PCB. 0 verified compatibilities. There are another 15 models that we are still checking.
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.
| Honeywell Ferroli NE Fluss 20 CE | Honeywell | Unconfirmed |
|---|---|---|
| Honeywell Ferroli NE Fluss 20 EL PN CE | Honeywell | Unconfirmed |
| Honeywell Ferroli NE Fluss 20 PN CE | Honeywell | Unconfirmed |
| Honeywell Ferroli NE Fluss 20 EL CE | Honeywell | Unconfirmed |
| Honeywell Ferroli Master CE 20 MEL | Honeywell | Unconfirmed |
| Honeywell Ferroli Mikra 20 CE MEL | Honeywell | Unconfirmed |
| Honeywell Ferroli NE TF 120 CE | Honeywell | Unconfirmed |
| Honeywell Ferroli NEF96 | Honeywell | Unconfirmed |
| Honeywell Ferroli NEFA20CE | Honeywell | Unconfirmed |
| Honeywell Ferroli NEWELITE | Honeywell | Unconfirmed |
| Honeywell Ferroli Optima 601, 801 and 901 | Honeywell | Unconfirmed |
| Honeywell Ferroli Optima 201, 1001 and 2001 | Honeywell | Unconfirmed |
| Honeywell Ferroli Hawk II and Optima 701 | Honeywell | Unconfirmed |
| Honeywell Ferroli Hawk 11 | Honeywell | Unconfirmed |
| Honeywell Ferroli Optima 700 COMBI NG | Honeywell | Unconfirmed |
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 it is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Check the label for the designation W4115B-1317 and compare it with yours. Variants with a different suffix (W4115B1192, W 4115 B 1218B, W4115B1325, w4115b1333u): make sure yours is 1317.
- Also compare the marked 963743 1968 and 9640 MF7 from the PCB, and in the transformer, SEMAR 31101007 or 311101007 / 45006113-001.
- Compare the layout and connectors with the photos: the PCB indicates 230 V 50 Hz and "2AT" as protection.
- To confirm: If the breakdown of your boiler shows the Ferroli code 39803410, check the suffix of your PCB: it connects to W4115B1317 and four to W4115B1325. None state that they are interchangeable.
- Any questions? Send us a photo of your part's label and the boiler's rating plate from Contact.
Symptoms that require diagnosis on the PCB
The PCB controls the ignition, modulation, and safety features of the boiler. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The boiler does not ignite: the burner does not start and fault code A01 appears.
Cause: There is no gas, broken electrode, or faulty gas valve.
Check that gas is arriving and reset once. If it repeats, have a technician check it.
- 02
The boiler detects flame with the burner off and locks out (A02).
Cause: Electrode or PCB anomaly.
Check the electrode and its wiring. If they are fine, have a technician check the PCB.
- 03
The boiler locks out due to overheating (A03).
Cause: Heating sensor faulty or lack of water circulation.
Bleed the air and check the pump. If it happens again, have a technician check it.
- 04
The burner does not ignite and the boiler shows A01.
Cause: Gas, electrode, gas valve or PCB.
Reset once. If it blocks again, have a technician check it.
- 05
The boiler displays F39 (external sensor) or F42 (heating sensor) on the screen.
Cause: Faulty sensor, or cut wiring or short circuit.
Have a technician check the sensor and its wiring.
Honeywell fault codes that require diagnosis
| Code | Fault | Technical checks |
|---|---|---|
| A01 | Ignition failure: the burner does not ignite and the boiler locks out. | Check that gas is reaching and that the electrode is not dirty or broken. If it returns after resetting, it points to the PCB or the gas valve: have a technician check it. List of the Ferroli range; confirm in the Master manual. |
| A02 | There is a flame signal with the burner off and the boiler locks out. | Check the wiring and the condition of the ionization electrode and the siphon. If the electrode is fine, the PCB is the part to check: have a technician look at it. Confirm in the Master manual. |
| A03 | Overtemperature protection: the boiler locks out due to excessive heat. | Check that there is water circulation and that there is no air in the system. If the issue persists, it points to the heating sensor or the PCB: have a technician check it. Confirm in the Master manual. |
| F12 | Fault in the domestic hot water sensor. | Check the wiring and the domestic hot water sensor. If they are fine, the PCB may be reading the sensor incorrectly. Confirm in the Master manual. |
| A06 | There is no flame after the ignition phase. | If it is repeated, a technician should check the gas, electrode, and burner regulation before replacing the PCB. Confirmed only at the Ferroli brand level; source for this range is missing. |
| F10 | Return sensor anomaly. | If the wiring of the sensor is fine, the sensor may be faulty. Have a technician check it. Confirmed only at the Ferroli brand level; source for this range is missing. |
| F39 | External sensor anomaly. | Short-circuited wiring or faulty sensor; also if the sensor is disconnected with the adjustable temperature active. Have a technician check it. Confirmed only at the Ferroli brand level; source for this range is missing. |
| F42 | Heating sensor anomaly. | Heating sensor faulty or wiring cut. Have it checked by a technician. Confirmed only at the Ferroli brand level; source for this range is missing. |
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 sheet: Honeywell PCB
- Uniclima internal SKU
- TC00596ATX
- Brand
- Honeywell
- Type of part
- PCBs (control boards)
- 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.
- PCB silkscreen
- 230 V 50 Hz
- Transformer: marked input
- PRI230V50/60Hz
- Transformer: marked outputs
- SEC24V8VA/18V2VA
- Protection screen printing
- 2AT
- Inventory — Application indicated in inventory
- Compatible with reference: Honeywell W4156B-1312 control PCB for gas boiler. Manages ignition, fan/pump, sensors, and gas valve. This refurbished unit is validated by the silkscreen on the PCB itself. There is no verified boiler model: compare references and connectors with your original PCB before purchasing.
- Inventory — PCB
- marked supply 230 V, 50 Hz
- Inventory — Subcomponent transformer SEMAR 311101007
- primary 230 V 50/60 Hz; secondary 24 V 8 VA / 18 V 0.2 VA
- Inventory — Subcomponent transformer SETRA 42008113-001
- 50 Hz; marked date 08/96
- Inventory — Subcomponent transformer SEMAR 31101007 / 45006113-001
- primary 230 V 50/60 Hz; secondary visible 24 V 8 VA / 18 V
- Identification — Marked designation
- W4115B-1317
- Identification — Marked code
- 963743 1968; 9640 MF7
- Identification — Marked code
- SEMAR31101007; 45006113-001
- Technical sheet: Screen printing of PCB
- 230 V 50 Hz
- Transformer: marked input
- PRI230V50/60Hz
- Technical sheet: Transformer: marked outputs
- SEC24V8VA/18V2VA
- Technical sheet: Protection screen printing
- 2AT
- Inventory data — Application indicated in inventory
- Compatibilities:
- Inventory data — Application indicated in inventory
- Honeywell W4156B-1312 control PCB for gas boiler. Manages ignition, fan/pump, sensors, and gas valve. This refurbished unit is validated by the silkscreen on the PCB itself. There is no verified boiler model: compare references and connectors with your original PCB before purchasing.
- Inventory data — PCB
- marked supply 230 V, 50 Hz
- Inventory data — SEMAR transformer subcomponent 311101007
- primary 230 V 50/60 Hz; secondary 24 V 8 VA / 18 V 0.2 VA
- Inventory data — Subcomponent transformer SETRA 42008113-001
- 50 Hz; marked date 08/96
- Inventory data — Subcomponent transformer SEMAR 31101007 / 45006113-001
- primary 230 V 50/60 Hz; secondary visible 24 V 8 VA / 18 V
- To confirm: Ferroli NE Fluss 20 CE — Via 39803410
- To confirm: Ferroli NE Fluss 20 EL PN CE — Via 39803410
- To confirm: Ferroli NE Fluss 20 PN CE — Via 39803410
- To confirm: Ferroli NE Fluss 20 EL CE — Via 39803410
- To confirm: Ferroli Master CE 20 MEL — Via 39803410
- To confirm: Ferroli Mikra 20 CE MEL — Via 39803410
- To confirm: Ferroli NE TF 120 CE — Via 39803410
- To confirm: Ferroli NEF96 — Via 39803410
- To confirm: Ferroli NEFA20CE — Via 39803410
- To confirm: Ferroli NEWELITE — Vía 39803410
- To confirm: Ferroli Optima 601, 801 and 901 — Via 39803410 ·: 2 British and, country not confirmed
- To confirm: Ferroli Optima 201, 1001 and 2001 — Via 39803410 · British
- To confirm: Ferroli Hawk II and Optima 701 — Via 39803410 · each one: (country not confirmed) and a British one (for Hawk II, for Optima 701)
- To confirm: Ferroli Hawk 11 — Via 39803410
- To confirm: Ferroli Optima 700 COMBI NG — Via 39803410
- Not compatible or excluded: Ferroli NE FLUSS 20 CR EL CE — List of parts for Ferroli NE FLUSS 20 CR EL CE, ed. 10.96 (PDF in): it includes the PCB 3831696/0 (W 7075 C 1001). No others.
- Do not confuse: W4115B1325 — Honeywell VMF7 PCB (also 1325B or 1325/U) with 39803410 and that Italian ones are for Ferroli NE Fluss 20 and NE100/NE127 — Another suffix (1325, not 1317). Unconfirmed: if they are interchangeable.
- Do not confuse: W4115B1192 / W411581333 — Honeywell ignition boxes from the W4115 series (Antares K.226.01 and K.226.04), for Ferroli — Other suffixes: it is not the 1317.
- Do not confuse: W 4115 B 1218B — Honeywell PCB W 4115 B 1218B (fault code 98.28405) — Another suffix: it is not the 1317.
- Do not confuse: w4115b1333u — SM07408 modulation PCB in the listing (another product from the same) — It is a different modulation PCB.


