Water Pressure Switch C.E.M.F. Wiesberg RSSE 24 - Ref. 95000022
Water pressure switch with double NC/NO contact that activates or cuts off the circulator and the burner according to the circuit pressure. Set between 0.2 and 6 bar, with differential adjustment from 0.1 to 0.8 bar and contacts of 15A and 9A at 250V~. The label states the manufacturer as 'C.E.M.F. Eng.'. The replacement requires first confirming the fault of the part through technical diagnosis, even when the pressure reading fails.
- Type of part
- Pressure switches
- Status
- Refurbished
- Catalogue reference
- 95000022
- Warranty
- 1 year
Wiesberg boilers compatible with reference 95000022
Pressure switch with reference 95000022. Seven confirmed compatibilities: RSSE 24 and Alkon.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Wiesberg RSSE 24 | Wiesberg | Contrasted |
| Wiesberg Alkon | Unical Alkon | Contrasted |
| Wiesberg Clipper | Unical Clipper | Contrasted |
| Wiesberg Cutter | Unical Cutter | Contrasted |
| Wiesberg Dua | Unical Dua | Contrasted |
| Wiesberg Iven | Unical Iven | Contrasted |
| Wiesberg Kon | Unical Kon | 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 ref. 95000022 is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Find the reference printed on the installed part and check whether it matches the catalogue reference 95000022. 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 that require diagnosis in the pressure switch 95000022
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 ignites the burner but the circulator does not start, or vice versa.
Cause: This pressure switch has two independent contacts, and one of them can fail without the other being aware, so only part of the system loses signal.
Measure with a multimeter if both contacts work separately when varying the pressure before declaring the part faulty.
- 02
The boiler suddenly cuts off the burner and the circulator even though the pressure gauge shows normal pressure.
Cause: If the switching differential is out of calibration, the pressure switch opens the contact before reaching the correct pressure.
Note the exact pressure at which it cuts off and compare it with the set range and the differential indicated on the label.
- 03
Repeated burner on and off cycles without anyone touching the thermostat
Cause: A degraded pressure differential causes the pressure switch to open and close the contact several times in a short period.
First, rule out a slow leak or a pressureless expansion vessel, as they can cause the same issue.
- 04
The boiler does not start at any time, neither the circulator nor the burner.
Cause: If the contact gets stuck in the open position, the control unit never receives the correct pressure signal and blocks the entire start-up.
Bleed the air from the pressure switch connection tubes before replacing it: an airlock simulates a low pressure reading.
Wiesberg fault codes that require diagnosis
| Code | Fault | Technical checks |
|---|---|---|
| 08 | Low water pressure in the circuit (the minimum pressure switch is activated). | The pressure switch 95000022 does not close its contact when the pressure is below the threshold (~0.4–0.6 bar), the electronics interpret a lack of water and triggers the 08; check with a manometer (≥0.8–1 bar when cold) and measure the continuity of the pressure switch micro when exceeding the threshold. |
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.
Wiesberg 95000022 pressure switch datasheet
- Catalogue reference
- 95000022
- Uniclima internal SKU
- PACRSSE24
- Brand
- Wiesberg
- Type of part
- Pressure switches
- Units in stock
- 7 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.
- Manufacturer (label)
- C.E.M.F. Eng.
- Type code
- PC 5411/VAP-CR (also read as 'S411/VAP-DR' in another photo of the same piece)
- Setting range
- 0.2 - 6 bar
- Differential regulation
- 0.1 - 0.8 bar
- Contacts
- NC 15A/250V~, NO 9A/250V~
- Maximum ambient temperature
- 120°C
- Certifications
- UL, CSA, CE
Manuals and technical documentation
Official documentation of the boiler, useful for locating the part and cross-referencing the fault codes.
- Wiesberg Unical Kon Kon manual (PDF) Document © Wiesberg, provided as a technical reference.
Frequently asked questions about the pressure switch 95000022
Who manufactures the pressure switch for the Wiesberg RSSE 24?
Is this pressure switch suitable for the Wiesberg Cutter B boiler?
What fault does this pressure switch fix in the Wiesberg Clipper C?
What regulation differential does the pressure switch of the Wiesberg Dua BTFS 24 have?
What contacts does the pressure switch of the Wiesberg Cargomax Kondensal have?
What ambient temperature can the pressure switch of the Wiesberg RSSE 24 withstand?
