Pressure Switch For Boiler ZWC 28/32-1MFA - Ref. 87167712610
The pressure switch for the ZWC 28/32-1MFA boiler monitors the air or water pressure and allows the boiler to operate correctly. If it fails, the boiler may not start or may lock out, even if the actual pressure is adequate, and you might see faults like C1, C4, or C6. This pressure switch is compatible with models such as ZWC 28/32-1MFA 23, ZWC 28/32-1MFA 31, among others in the Euromaxx range. It should be replaced when you notice starting or locking issues in operation.
VAT included
Consult via WhatsAppJunkers boilers compatible with reference 87167712610
Pressure switch with reference 87167712610. 11 verified compatibilities: ZWC 28/32-1MFA 23 and ZWC 28/32-1MFA 31.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Junkers ZWC 28/32-1MFA 23 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC 28/32-1MFA 31 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC28/321MFA23S2800 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC28/321MFA31S2800 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC28-1MFA23S2800 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC28-1MFA31S2800 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC28-1MF2A31S2800 | Euromaxx ZWC 28/32 (1MFA 23/31) | Contrasted |
| Junkers ZWC 24/28-1MFA 23 S2800 | Euromaxx ZWC 24/28 (1MFA 23/31) | Contrasted |
| Junkers ZWC 24/28-1MFA 31 S2800 | Euromaxx ZWC 24/28 (1MFA 23/31) | Contrasted |
| Junkers ZC28-1MFA23S2800 | Euromaxx ZC 28 (1MFA 23/31) | Contrasted |
| Junkers ZC28-1MFA31S2800 | Euromaxx ZC 28 (1MFA 23/31) | Contrasted |
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 the ref. 87167712610 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.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 87167712610. If it is not visible, do not identify the part from its shape alone.
- Check the full boiler model on its data plate and look for it in the model associations on this page.
- Compare the connections and physical body with the original part before installation.
- If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Symptoms and faults that the pressure switch 87167712610 resolves.
The pressure switch controls the air or water pressure to authorize operation. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The boiler tries to ignite, stops, and shows a fault related to air or combustion.
Cause: The pressure switch does not detect that the fan is creating the necessary depression, so the control board does not allow ignition.
Check that the fan starts and spins without obstructions before inspecting the pressure switch.
- 02
The boiler does not respond when pressing the reset button and remains locked.
Cause: If the pressure switch contact is permanently open, the ignition cycle does not complete.
Check the flue gas outlet to the outside for any obstructions caused by ice, snow, or dirt before replacing the part.
- 03
The tubes that go from the pressure switch to the air circuit are cracked or disconnected.
Cause: Without a proper pressure connection, the pressure switch cannot measure correctly and blocks the boiler even though the rest is functioning.
Check the silicone tubes one by one and replace them if they are hard or cracked before considering that the pressure switch is faulty.
- 04
The fault appears as soon as it is turned on, without allowing time for the temperature to rise.
Cause: If the pressure switch does not close the contact from the first second, the control board stops the cycle in the initial air sweeping phase.
Note at which exact step of the ignition process the boiler stops; this helps to differentiate a pressure switch fault from a gas valve fault.
Fault codes from Junkers that this part resolves.
| Code | Fault | Diagnosis and solution |
|---|---|---|
| C1 | The pressure switch has activated during operation. | The air differential pressure switch opens during operation due to an internal fault or loss of pressure/obstruction in silicone tubes or flue duct; verify by measuring the change of state of the contact while the fan is running and checking tubes and pressure intake. |
| C4 | The pressure switch does not open in the rest position. | The pressure switch remains stuck/closed at rest (contact stuck or hoses reversed), so the PCB detects it as activated; check with a multimeter that the contact is open without depression and inspect the correct connection/condition of the connections to the pressure switch. |
| C6 | The pressure switch does not close. | Upon start-up, the pressure switch does not switch to closed due to a fault in the switch itself or because sufficient vacuum is not generated; check with a vacuum gauge/ohmmeter that it closes when the fan is activated and inspect tubes, connections, and flue. |
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.
Data sheet for the Junkers pressure switch 87167712610
- Catalogue reference
- 87167712610
- Brand
- Junkers
- Type of part
- Pressure switches
- Units in stock
- 1 unit
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Manuals and technical documentation
Official documentation of the boiler, useful for locating the part and cross-referencing the fault codes.
- Junkers ZWC 24/28-1MFA 31 S2800 manual (PDF)Document © Junkers, provided as a technical reference.
Frequently asked questions about the pressure switch 87167712610
Is this pressure switch compatible with my boiler ZWC 28/32-1MFA?
What other models are compatible with this pressure switch?
What fault codes are relevant for this pressure switch?
What is the reference for this pressure switch?
How can I tell if my boiler needs a new pressure switch?
Spare parts related to Junkers Euromaxx ZWC 28/32 (1MFA 23/31)
