1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Racold Eterno Intello 25 Liter 2KW Storage Water Heater. Please read these instructions thoroughly before installation and use, and retain them for future reference.

Image 1.1: Front view of the Racold Eterno Intello 25 Liter Storage Water Heater, showcasing its modern design and control panel.
2. Safety Information
Always adhere to the following safety precautions to prevent injury or damage to the appliance.
- Electrical Safety: Ensure the water heater is connected to a properly grounded electrical outlet. Do not use extension cords. Disconnect power before any maintenance or service.
- Hot Water Hazard: Water heated by this appliance can reach temperatures sufficient to cause scalding. Exercise caution when using hot water.
- Installation: Installation must be performed by a qualified technician in accordance with local codes and this manual. Do not operate the heater if it is not properly installed or if there is visible damage.
- Pressure Relief Valve: Do not block or remove the temperature and pressure relief (T&P) valve. This valve is crucial for safe operation.
- Water Supply: Ensure the water heater is filled with water before turning on the power to prevent damage to the heating element.
3. Product Features
The Racold Eterno Intello water heater incorporates several advanced features for efficiency and user convenience:
- Intelligent Timer: Allows you to pre-set the time and desired temperature for hot water availability, optimizing energy use.
- Eco Sense: An intelligent power saver feature that alerts you when the water heater is on but not actively in use, helping to reduce electricity consumption.
- Smart Bath Logic: This function enables customization of bathing requirements, potentially saving up to 30% electricity by allowing selection of bath types (e.g., bucket bath, shower bath).
- SPHP (Special Polymer Protective Coating): The inner container features a unique polymer protective coating technology designed to resist corrosion from hard water, extending the product's lifespan.
- HPR (High Pressure Resistance): Engineered to withstand high water pressure, making it suitable for high-rise buildings and applications with high-pressure pumps.
- 5-Star Rating: Equipped with high-density and thick PUF insulation, ensuring energy efficiency and contributing to lower electricity bills.
- Titanium Enameled Heating Element: Provides efficient heating, strength, low energy consumption, and a longer operational life.
4. Setup and Installation
The Racold Eterno Intello water heater is designed for indoor wall mounting. Professional installation is recommended to ensure proper functioning and safety.
4.1 Installation Notes
- Standard installation is typically provided free of charge. However, this service generally does not include additional materials such as pipes, fittings, or plumbing work.
- Ensure the installation location can support the weight of the water heater when full.
- Proper ventilation and drainage must be considered during installation.
4.2 Dimensions
Refer to the diagram below for the physical dimensions of the water heater.

Image 4.1: Diagram illustrating the length (L), width (W), and depth (D) of the Racold Eterno Intello 25 Liter water heater. Dimensions are L: 517 mm, W: 386 mm, D: 368 mm.
4.3 Capacity Guide
The 25-liter capacity of this storage water heater is suitable for specific usage patterns. Consult the guide below to understand typical capacity recommendations.

Image 4.2: A guide to determining the appropriate capacity for instant and storage water heaters based on intended use and family size. For storage geysers, 25-30 liters is recommended for bathing (bucket/shower/bathtub) for 4-8 members.
5. Operating Instructions
Familiarize yourself with the control panel and its functions for optimal use.
5.1 Power On/Off
- Ensure the water heater is properly installed and filled with water before connecting to the main power supply.
- Use the designated power button on the control panel to turn the unit on or off.
5.2 Temperature Setting
- Adjust the desired water temperature using the controls on the front panel. Refer to the display for the current temperature setting.
5.3 Intelligent Timer Function
- To activate the Intelligent Timer, press the 'Set' button and follow the on-screen prompts to program your preferred heating schedule. This allows the heater to prepare hot water at specific times.
5.4 Smart Bath Logic
- Engage the Smart Bath Logic feature to select a bathing mode (e.g., bucket, shower). The system will optimize heating based on the selected mode to conserve energy.
5.5 Eco Sense Alerts
- Pay attention to the Eco Sense alerts. If an alert sounds, it indicates the water heater is powered on but not in active use. Consider turning it off if hot water is not immediately required to save energy.
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your water heater. Always disconnect power before performing any maintenance.
- Drain and Flush Tank: Periodically drain and flush the water heater tank to remove sediment buildup, which can reduce efficiency and tank life. This should typically be done annually, or more frequently in areas with hard water.
- Inspect T&P Valve: Annually check the temperature and pressure relief valve to ensure it is not blocked and functions correctly. Follow manufacturer guidelines for testing.
- Anode Rod Inspection: The anode rod helps protect the tank from corrosion. Have a qualified technician inspect and replace the anode rod as needed, typically every 3-5 years, depending on water quality.
- Exterior Cleaning: Clean the exterior of the water heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
7. Troubleshooting
Before contacting service, review the following common issues and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No Hot Water | No power; thermostat setting too low; heating element failure. | Check power supply and circuit breaker. Adjust thermostat. If problem persists, contact service. |
| Insufficient Hot Water | Thermostat setting too low; tank too small for demand; sediment buildup. | Increase thermostat setting. Consider usage patterns. Drain and flush tank. |
| Water Leaking | Loose connections; T&P valve discharge; tank rupture. | Tighten connections. Check T&P valve. If tank rupture is suspected, turn off water and power immediately and contact service. |
| Unusual Noises | Sediment buildup in tank. | Drain and flush the tank. |
For issues not listed or if solutions do not resolve the problem, contact authorized service personnel.
8. Specifications
Key technical specifications for the Racold Eterno Intello 25 Liter Storage Water Heater:
- Brand: Racold
- Model Number: Eterno Intello-25 V_I
- Capacity: 25 Liters
- Wattage: 2000 Watts
- Voltage: 240 Volts
- Power Source: Electric
- Color: Ivory
- Mounting Type: Wall
- Item Weight: 10 kg
- Item Dimensions (LxWxH): 38.6 x 38.5 x 51.7 Centimeters
- Efficiency: High Efficiency (5-Star Rated)
- Country of Origin: India
9. Warranty and Support
Your Racold Eterno Intello water heater comes with a comprehensive warranty and support.
- Warranty:
- 2 years on the Product
- 3 years on the Heating Element
- 7 years on the Tank
- Included Components: The product package includes the water heater unit, a warranty manual, and a warranty card. Please retain your purchase receipt for warranty claims.
- Manufacturer: M.B. Deco International
- Importer: Ariston thermo india pvt Ltd
For warranty service or technical support, please refer to the contact information provided in your warranty manual or visit the official Racold website.