1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new Racold Eterno Pro 10L Storage Water Heater. Please read these instructions carefully before installation and use, and retain them for future reference.
The Racold Eterno Pro is a vertical storage water heater designed for bathroom use, featuring advanced technologies for durability, energy efficiency, and safety.
2. Safety Information
Your safety and the safety of others are paramount. Please observe all safety warnings and instructions in this manual to prevent potential injury or damage.
General Safety Precautions
- Ensure the water heater is installed by a qualified technician in accordance with local regulations.
- Do not operate the water heater if it is damaged or malfunctioning.
- Keep flammable materials away from the water heater.
- Do not block ventilation openings.
Electrical Safety
- Ensure the power supply matches the specifications on the product label.
- The water heater must be properly grounded.
- Do not use extension cords or adapters.
- Disconnect power before performing any maintenance or repairs.
Water Pressure and Temperature Safety
The Racold Eterno Pro features SAFETY PLUS, incorporating three levels of safety: a thermostat, a cutout, and a safety valve. This system protects against high temperature and pressure, ensuring a worry-free bathing experience.

Image: Illustration of the three safety levels (Thermostat, Cutout, Multifunctional Valve) integrated into the water heater for protection against high temperature and pressure.
3. Product Features
The Racold Eterno Pro 10L Storage Water Heater is equipped with several advanced features:
- Titanium Plus Technology: The inner tank and heating element are coated with titanium enamel, providing superior durability and corrosion resistance, even in tough water conditions. This technology extends the life of the water heater.
- Smart Bath Logic: This intelligent feature allows you to customize your bathing experience by selecting preferred modes, potentially saving up to 40% on electricity consumption.
- Magnesium Anode: Equipped with a larger magnesium anode, this geyser prevents corrosion of the inner tank, further extending its operational life.
- Flexomix: This special deflector ensures consistent hot water output for longer durations, reducing the frequency of restarts.
- High Pressure Resistance: The design makes it suitable for high-rise buildings, capable of withstanding high water pressure.

Image: A Racold Eterno Pro water heater mounted above a bathtub, with text indicating 'Superior durability in toughest water conditions with Titanium Plus Technology'.

Image: A Racold Eterno Pro water heater mounted in a shower area, with text indicating 'Save electricity upto 30% by customizing your water temperature with Smart Bath Logic'.

Image: A Racold Eterno Pro water heater set against a city skyline, with text stating 'Suitable for high-rise buildings with High Pressure Resistance'.
4. Installation
Installation of the Racold Eterno Pro water heater should only be performed by a certified technician to ensure safety and proper functioning.
Pre-Installation Checks
- Verify that the installation location is suitable for a vertical wall-mounted water heater and can support its weight when full.
- Ensure adequate space for maintenance and ventilation.
- Check the water supply pressure and electrical connections meet the product requirements.
Mounting and Connections
The water heater is designed for vertical wall mounting. The inlet and outlet pipes are typically provided and installed by a Racold technician during the free standard installation service (availability may vary by region).

Image: Front view of the Racold Eterno Pro 10L Storage Water Heater, showing its compact design and control knob.

Image: Side view of the Racold Eterno Pro 10L Storage Water Heater, providing a perspective on its dimensions.

Image: Back view of the Racold Eterno Pro 10L Storage Water Heater, detailing the rear panel and connection points for water and electricity.
For detailed dimensions, refer to the specifications section.
5. Operation
First Use
- Ensure the water heater is completely filled with water before switching on the power. Open a hot water tap to allow air to escape until water flows steadily.
- Connect the water heater to the electrical supply.
Temperature Control
The Racold Eterno Pro features a control knob for temperature adjustment, integrated with Smart Bath Logic. Rotate the knob to select your desired water temperature or bathing mode. Refer to the markings on the control panel for specific settings.

Image: Close-up of the Racold Eterno Pro's control panel, showing the 'Smart Bath Logic' temperature selection knob.
Turning On/Off
To turn on the water heater, ensure it is connected to the power supply and the temperature knob is set to a desired temperature. The indicator light will illuminate. To turn off, rotate the temperature knob to the 'Off' position or disconnect from the main power supply.
6. Maintenance
Regular maintenance ensures the longevity and efficient performance of your water heater. Always disconnect the power supply before performing any maintenance.
Cleaning
- Wipe the exterior of the water heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
Anode Rod Inspection
The magnesium anode rod helps protect the tank from corrosion. It should be inspected periodically (e.g., annually) by a qualified technician and replaced if significantly depleted.
Draining the Tank
If the water heater will not be used for an extended period or if there is a risk of freezing, the tank should be drained. Consult a qualified technician for this procedure.
7. Troubleshooting
Before contacting customer service, please check the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water | No power supply; Thermostat tripped; Heating element failure. | Check power switch/breaker; Reset thermostat (if accessible); Contact service. |
| Insufficient hot water | Temperature setting too low; Sediment buildup; Undersized unit. | Adjust temperature setting; Contact service for descaling; Consider usage patterns. |
| Water leaking | Loose connections; Pressure relief valve discharge; Tank corrosion. | Tighten connections; This is normal if pressure is too high, ensure proper drainage; Contact service immediately. |
| Unusual noises | Sediment buildup in tank. | Contact service for descaling. |
If the problem persists after attempting these solutions, please contact Racold Customer Care.
8. Specifications
Key technical specifications for the Racold Eterno Pro 10L Storage Water Heater (Model: ETPROSTWH10L):
| Feature | Detail |
|---|---|
| Brand | Racold |
| Model Number | ETPROSTWH10L |
| Capacity | 10 Liters |
| Product Dimensions (W x H) | 31W x 43.5H Centimeters |
| Wattage | 2000 Watts |
| Heat Output | 2000 Watts |
| Efficiency | High Efficiency |
| Mounting Type | Wall (Vertical) |
| Item Weight | 6 kg 300 g |
| Special Features | Rustproof, Low power consumption, Titanium Plus Technology, Smart Bath Logic, Magnesium Anode, Flexomix, Safety Plus (Thermostat, Cutout, Safety Valve) |
| Included Components | Product, Warranty manual, Warranty card |

Image: Detailed product dimensions for the Racold Eterno Pro 10L water heater, including length, height, depth, and capacity.
9. Warranty and Support
Warranty Information
The Racold Eterno Pro Storage Water Heater comes with the following warranty:
- 7 years on the inner tank.
- 2 years on the overall product.
- 3 years on the heating element.
Please refer to the included warranty card and manual for complete terms and conditions.
Customer Support
For any queries, assistance, or to schedule installation, please contact Racold Customer Care. Contact details can be found on your warranty card or the official Racold website.
10. Product Demonstration Video
Watch this short video for a visual overview of the Racold Eterno Pro Storage Water Heater's features and benefits.
Video: A brief demonstration of the Racold Eterno Pro water heater, showcasing its design and key functionalities like Smart Bath Logic and Titanium Plus Technology.



