Introduction
This manual provides essential information for the safe and efficient use of your Beretta Ciao X 25C condensing boiler. Please read these instructions carefully before installation, operation, or maintenance. Keep this manual for future reference.
The Beretta Ciao X series combines advanced technology with environmental responsibility, offering optimal comfort for your home. Key features include a modern and intuitive touchscreen interface, a durable stainless steel core, and ease of installation.
Safety Information
Important: Installation, first start-up, and maintenance must be performed by qualified and authorized personnel in accordance with local regulations and standards.
- Do not attempt to repair or modify the boiler yourself. Contact qualified service personnel.
- Ensure adequate ventilation in the installation area.
- Keep flammable materials away from the boiler.
- Regularly check the system pressure as indicated in the operating section.
- In case of gas odor, immediately shut off the gas supply, open windows, and contact emergency services.
- Do not block any vents or openings on the boiler.
Product Overview
The Beretta Ciao X 25C is a compact and efficient condensing boiler designed for both new installations and replacements. It features a user-friendly interface and robust construction.

Figure 1: Front 3/4 view of the Beretta Ciao X 25C condensing boiler. This image shows the sleek white casing and the integrated digital control panel at the bottom center.

Figure 2: Side view of the Beretta Ciao X 25C condensing boiler. This perspective highlights the compact depth of the unit, suitable for various installation spaces.

Figure 3: Direct front view of the Beretta Ciao X 25C condensing boiler. This shows the full face of the unit with the control panel clearly visible.

Figure 4: Close-up of the Beretta Ciao X 25C control panel. The modern touchscreen interface displays temperature settings and operational status, flanked by '+' and '-' buttons for adjustment. Icons for various functions are visible below the screen.

Figure 5: Bottom view of the Beretta Ciao X 25C, showing the various connection points for water inlet, outlet, gas supply, and condensate drain. These connections are clearly labeled for professional installation.

Figure 6: Internal components diagram of the Beretta Ciao X 25C boiler. This cutaway view illustrates the heat exchanger, pump, and other essential internal parts, highlighting the stainless steel core.
The boiler's design emphasizes a stainless steel core for durability and efficiency. Its intuitive touchscreen interface simplifies operation, making it suitable for various users.
Setup and Installation
The installation of the Beretta Ciao X 25C condensing boiler must be carried out by a certified professional technician. Improper installation can lead to serious hazards and void the product warranty.
Pre-Installation Checks:
- Verify that the installation site complies with all local building codes and regulations.
- Ensure adequate space for maintenance and ventilation around the boiler.
- Check the gas supply type and pressure match the boiler's requirements.
- Confirm water supply pressure and quality are within specified limits.
Installation Steps (Summary for Professional):
- Mount the boiler securely on a suitable wall, ensuring it is level.
- Connect the heating system flow and return pipes.
- Connect the domestic hot water inlet and outlet pipes.
- Connect the gas supply line.
- Install the condensate drain pipe, ensuring proper slope.
- Connect the flue gas exhaust system.
- Perform electrical connections according to the wiring diagram.
- Fill the system with water and bleed air.
- Perform initial start-up and safety checks.
For detailed installation instructions, refer to the technical manual provided to your certified installer.
Operating Instructions
The Beretta Ciao X 25C features an intuitive touchscreen interface for easy control of heating and domestic hot water functions.
Control Panel Overview:

Figure 7: The digital control panel. The central display shows current temperature and status. Use the '+' and '-' buttons on either side to adjust settings. Icons below the screen provide quick access to various modes and information.
Basic Operation:
- Power On/Off: Typically controlled by a main switch or a dedicated button on the panel.
- Adjusting Heating Temperature: Use the '+' and '-' buttons on the right side of the control panel (often indicated by a radiator icon) to set the desired heating water temperature.
- Adjusting Domestic Hot Water (DHW) Temperature: Use the '+' and '-' buttons on the left side of the control panel (often indicated by a tap icon) to set the desired DHW temperature.
- System Pressure: Monitor the system pressure gauge (either digital on the display or a physical gauge). The recommended operating pressure is typically between 1.0 and 1.5 bar. If the pressure drops too low, consult the troubleshooting section or contact a technician.
Smart Control with Hi, Comfort App:
The Beretta Ciao X 25C can be integrated with the "Hi, Comfort" smart home system using the optional Smart Key K100. This allows for remote control and monitoring of your boiler via a smartphone application.

Figure 8: Example of the "Hi, Comfort" smartphone application interface. This app allows users to monitor and control boiler settings remotely, including water temperature and system status.

Figure 9: QR code for downloading or accessing information about the "Hi, Comfort" application. Scan this code with your smartphone to get started. Link to Hi, Comfort App information
For detailed instructions on using the "Hi, Comfort" app and Smart Key K100, refer to their respective manuals or the app's help section.
Maintenance
Regular maintenance is crucial for the longevity, efficiency, and safe operation of your Beretta Ciao X 25C boiler. All maintenance procedures must be performed by a qualified technician.
Annual Maintenance:
- An authorized service technician should inspect and service the boiler at least once a year.
- This includes checking the combustion, cleaning the heat exchanger, verifying safety devices, and inspecting all connections.
User Checks:
- System Pressure: Periodically check the system pressure. If it consistently drops, there might be a leak, and a technician should be called.
- Visual Inspection: Ensure there are no visible leaks, unusual noises, or odors coming from the boiler.
- Ventilation: Ensure that air vents are not obstructed.
Troubleshooting
This section provides solutions for common issues. For complex problems or if you are unsure, always contact a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| No heating or hot water | Low system pressure, power supply issue, gas supply off, thermostat setting too low. | Check system pressure and repressurize if necessary. Verify power and gas supply. Check thermostat settings. |
| Boiler making unusual noises | Air in the system, pump issue, limescale buildup. | Bleed radiators to remove air. If noise persists, contact a technician. |
| Error code displayed | Specific fault detected by the boiler's internal diagnostics. | Note the error code and consult the detailed technical manual or contact Beretta service. Do not attempt to reset repeatedly without addressing the underlying issue. |
| Water leak | Loose connection, faulty component, excessive pressure. | Immediately turn off the water supply to the boiler and contact a qualified technician. |
Specifications
Below are the technical specifications for the Beretta Ciao X 25C condensing boiler (Model 20197875).
| Feature | Detail |
|---|---|
| Manufacturer | Beretta |
| Model Number | 20197875 |
| Product Dimensions | 27.5 x 40 x 70 cm |
| Weight | 31 kg |
| Size/Capacity | 25 (referring to power output, e.g., 25 kW) |
| Color | White |
| Style | Ciao X |
| Installation Method | Internal |
| Components Included | Boiler |
| Batteries Required? | No |
| First Available Date | March 13, 2023 |
Note: Specifications are subject to change without notice. Always refer to the product label for the most accurate information.
Warranty and Support
Beretta offers a standard warranty for its products. Additionally, there is an option to extend the conventional warranty up to an additional 8 years with the activation of the Kasko formula.
Warranty Information:
- For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Beretta website.
- The Kasko formula warranty extension provides enhanced coverage. Contact an authorized Beretta service center for details on activation and benefits.
Customer Support:
For technical assistance, spare parts, or to schedule maintenance, please contact an authorized Beretta service center. You can find contact information on the official Beretta website or through your installer.
When contacting support, please have your boiler's model number (20197875) and serial number ready.





