1. Product Overview
This manual provides essential information for the safe and efficient use of your Teka EWH 50 Electric Water Heater. Please read it thoroughly before installation and operation.
The Teka EWH 50 is a 50-liter electric water heater designed for vertical installation, featuring a 1500W heating element and a sapphire-enameled tank for durability and efficient hot water supply.

Figure 1: Front view of the Teka EWH 50 Electric Water Heater, showing the temperature dial and power indicator.
2. Safety Information
Always adhere to the following safety guidelines to prevent injury or damage:
- Ensure the water heater is installed by a qualified professional in accordance with local regulations.
- Do not operate the appliance if it is damaged or malfunctioning.
- Disconnect power before performing any maintenance or cleaning.
- Keep flammable materials away from the water heater.
- The appliance must be properly grounded.
- Do not block the pressure relief valve.
3. Installation
The Teka EWH 50 is designed for vertical wall mounting. Proper installation is crucial for safety and performance.
3.1. Site Selection
- Choose a location that can support the weight of the water heater when full (approx. 50 kg water + 19.1 kg unit = 69.1 kg).
- Ensure adequate space for maintenance and ventilation.
- Install in an area protected from freezing temperatures.
3.2. Mounting
Mount the water heater vertically on a sturdy wall using appropriate fasteners. Refer to the dimensions diagram for precise measurements.

Figure 2: Technical drawing showing the dimensions of the Teka EWH 50 Electric Water Heater (Height: 56.7 cm, Width: 45 cm, Depth: 47 cm).
3.3. Plumbing Connections
- Connect the cold water inlet and hot water outlet pipes.
- Install the included safety valve on the cold water inlet.
- Utilize the provided electrolytic sleeves to prevent corrosion.
- Ensure all connections are watertight.
3.4. Electrical Connection
- Connect the water heater to a dedicated electrical circuit with appropriate overcurrent protection.
- Verify the voltage and wattage (1500W) match your electrical supply.
- Ensure proper grounding.
4. Operation
Once installed and filled with water, your Teka EWH 50 is ready for operation.
4.1. Initial Startup
- Open a hot water tap in your home to allow air to escape from the tank.
- Once water flows steadily from the tap, close it.
- Switch on the electrical power to the water heater.
4.2. Temperature Adjustment
The water heater features an external temperature thermostat. Rotate the dial to set your desired water temperature. The indicator will show the current heating status.
4.3. Energy Efficiency
The Teka EWH 50 has an energy efficiency class C. Adjusting the temperature to a lower setting when not in high demand can help conserve energy.

Figure 3: Energy label for the Teka EWH 50 Electric Water Heater, indicating Class C efficiency and annual energy consumption.
5. Maintenance
Regular maintenance ensures the longevity and efficient operation of your water heater.
- Annual Inspection: Have a qualified technician inspect the water heater annually.
- Descaling: Depending on water hardness, periodic descaling of the heating element may be necessary to maintain efficiency. This should be performed by a professional.
- Pressure Relief Valve: Test the pressure relief valve periodically as per manufacturer guidelines to ensure it is not obstructed and functions correctly.
- Cleaning: Clean the exterior of the water heater with a soft, damp cloth. Do not use abrasive cleaners.
6. Troubleshooting
If you encounter issues with your water heater, consult this section before contacting service.
6.1. No Hot Water
- Check if the power supply is on.
- Verify the thermostat setting.
- Ensure the circuit breaker has not tripped.
6.2. Insufficient Hot Water
- Increase the thermostat setting.
- Allow more time for the water to heat up.
- Check for excessive hot water usage.
6.3. Leaks
- Inspect all plumbing connections for tightness.
- Check the pressure relief valve for drips (normal during heating cycles). If continuous, consult a professional.
- If the tank itself is leaking, immediately turn off the water supply and power, then contact service.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Teka |
| Model Number | EWH 50 (42080050) |
| Capacity | 50 Liters |
| Electric Power | 1500 Watts |
| Heat Output | 1500 Watts |
| Energy Efficiency Class | C (European A to G scale) |
| Mounting Type | Vertical Wall Mount |
| Tank Material | Sapphire Enameled |
| Resistance Type | Stainless Steel |
| Special Features | Temperature Thermostat |
| Dimensions (H x W x D) | 56.7 x 45 x 47 cm |
| Product Weight | 19.1 kg |
| Included Components | Electric Water Heater, Electrolytic Sleeves, Safety Valve |
| First Available | March 29, 2012 |
8. Warranty
Your Teka EWH 50 Electric Water Heater comes with the following warranty:
- Total Warranty: 3 years
- Tank Warranty: 5 years
Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects under normal use conditions.
9. Support
For further assistance, technical support, or spare parts, please contact Teka customer service or visit the official Teka website.
Teka Official Website: www.teka.com
When contacting support, please have your model number (EWH 50) and manufacturer product ID (42080050) ready.





