1. Sarrera
Thank you for choosing the Thermex Digital WiFi Water Heater. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new appliance. Please read this manual thoroughly before installation and use, and keep it for future reference.
The Thermex Digital series, including the 30-V, 50-V, and 80-V models, features advanced technology such as an electronic anode for maintenance-free operation, an anti-legionella function for safety, and integrated WiFi connectivity for smart control via a dedicated smartphone app. Its BIO-Email tank coating ensures durability and environmental friendliness.
2. Segurtasun-argibideak
Garrantzitsua: Beti jarraitu oinarrizko segurtasun neurriak tresna elektrikoak erabiltzean, sute, deskarga elektriko eta pertsonen lesio arriskua murrizteko.
- Ensure the power supply matches the appliance's specifications (230 Volts).
- Installation must be performed by a qualified professional in accordance with local regulations.
- Ez jarri ur-berogailua martxan hondatuta edo gaizki funtzionatzen badu.
- This appliance is not a high-voltage instantaneous water heater. Installation can be done without approval from the grid operator.
- The supplied 3-way safety valve (inlet combination) must be installed. It functions as an overpressure valve and non-return valve.
- In case of power failure, the device switches to standby mode. It must be manually switched back on when power is restored.
- Mantendu haurrak eta baimenik gabeko pertsonak tresnatik urrun funtzionatzen ari den bitartean.
- Ez saiatu gailua zeuk konpontzen edo aldatzen. Jarri harremanetan zerbitzu-langile kualifikatuekin.
3. Konfigurazioa eta instalazioa
The Thermex Digital water heater is designed for vertical wall mounting. Ensure the mounting surface is strong enough to support the full weight of the water heater when filled.
3.1 Paketatzea
Carefully remove the water heater from its packaging. Check for any signs of damage. The package includes:
- Thermex Digital Water Heater (Boiler)
- Erabiltzailearen eskuliburua (dokumentu hau)
- 3-way Safety Valve (Inlet Combination)
- Hormako aingurak
3.2 Muntaketa
Use the provided wall anchors to securely mount the water heater vertically. Refer to the dimensions for proper placement:
- Dimensions (D x W x H): 390 x 390 x 778 mm (for 50-V model)
- Weight (empty): 17 Kilograms

Figure 1: Thermex Digital Water Heater main unit. This image shows the full vertical unit with the digital display at the bottom.
3.3 Iturgintza-konexioak
Connect the water inlet and outlet pipes. Install the 3-way safety valve on the cold water inlet. Ensure all connections are watertight and comply with local plumbing codes.
3.4 Konexio elektrikoa
Connect the water heater to a grounded 230 Volt power supply. The appliance has a power consumption of 2000 Watts. Ensure the electrical circuit can handle this load. This product is not a high-voltage instantaneous water heater, and installation can proceed without specific grid operator approval.
4. Funtzionamendu-argibideak
The Thermex Digital water heater features an intuitive LCD display and three push buttons for easy operation.
4.1 Kontrol-panela amaituview

Figure 2: Close-up of the Thermex Digital Water Heater control panel. The display shows "58" degrees Celsius, with indicators for Electronic Anode, Anti-Bacteria, WiFi, Heating/Warming, Temperature, Setting, and Power buttons.
The LCD display shows the set water temperature and the current water temperature. The three push buttons allow for easy control:
- Tenperatura botoia: Adjusts the desired water temperature (up to 75 degrees Celsius).
- Ezarpen botoia: Accesses additional settings, including power adjustment and SMART energy-saving program activation.
- Pizteko botoia: Tresna piztu edo itzali egiten du.
4.2 Hasierako martxan jartzea
- Ensure the water heater is filled with water before switching on the power.
- Sakatu Boterea aparatua pizteko botoia.
- Erabili Tenperatura button to set your desired water temperature. The maximum temperature is 75 degrees Celsius.
- The display will show the current water temperature and the heating indicator will illuminate.
The heating time for a 50-liter unit is approximately 1 hour and 19 minutes to reach maximum temperature.
4.3 WiFi Connectivity and App Control
The Thermex Digital WiFi water heater can be controlled remotely via a smartphone app. Download the free app from your device's App Store.
- Aplikazioaren Ezaugarriak:
- Switch the boiler on or off.
- Ezarri nahi duzun tenperatura.
- Egokitu potentzia-ezarpenak.
- Activate the SMART energy-saving program.
- Follow the in-app instructions to connect your water heater to your home WiFi network.
4.4 Anti-Legionella Function
This model features an automatic anti-legionella function for enhanced safety, which periodically heats the water to a temperature sufficient to prevent bacterial growth.
5. Mantentzea
Regular maintenance ensures the longevity and efficient operation of your Thermex Digital water heater.
5.1 Electronic Anode
The water heater is equipped with an electronic anode. This advanced feature eliminates the need for traditional sacrificial anodes, making the appliance maintenance-friendly and removing the cost of replacement anodes during servicing.
5.2 Garbiketa
Garbitu ur-berogailuaren kanpoaldea oihal leun eta lehor batekinamp oihal. Ez erabili garbitzaile edo disolbatzaile urratzailerik.
5.3 Aldizkako egiaztapenak
- Periodically check the 3-way safety valve for proper operation.
- Inspect plumbing connections for any signs of leaks.
- Ziurtatu korronte-kablea eta entxufea egoera onean daudela.
For any internal maintenance or repairs, contact a qualified service technician.
6. Arazoak
This section addresses common issues you might encounter with your Thermex Digital water heater.
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| No hot water / Appliance not heating |
|
|
| Ura ez da nahikoa beroa |
|
|
| WiFi ez da konektatzen |
|
|
| Water leaking from safety valve |
|
|
If the problem persists after attempting these solutions, please contact Thermex customer support.
7. Zehaztapen Teknikoak
| Ezaugarri | Zehaztapena |
|---|---|
| Marka | Thermex |
| Eredua | Digital (Available in 30-V, 50-V, 80-V variants) |
| Capacity (50-V model) | 50 litro |
| Dimensions (50-V model, D x W x H) | 39 x 39 x 77.8 cm |
| Pisua (hutsik) | 17 kilogramo |
| Potentzia-konexioa | 230 Volt |
| Energia-kontsumoa | 2000 Watt |
| Heating Time (50-V model) | Gutxi gorabehera ordu 1 eta 19 minutu |
| Tenperatura maximoa | 75 gradu Celsius |
| Presio maximoa | 8 Taberna |
| Instalazio-metodoa | Hormako muntaketa bertikala |
| Anode Type | Electronic Anode |
| Ezaugarri bereziak | WiFi Connectivity, Smart Program, Anti-Legionella Function |
| Energia Eraginkortasun Klasea | B |
| Noise Level (indoor) | 15 dB |
| Ziurtagiria | CE Ziurtagiria |
| Bidalketa barne | Boiler, User Manual, 3-way Safety Valve (Inlet Combination), Wall Anchors |
Energiari buruzko informazio zehatza lortzeko, kontsultatu produktuaren informazio-orria:

Figure 3: Energy label for Thermex Digital Water Heater, showing Energy Class B and annual energy consumption.

Figure 4: Product information sheet for Thermex Digital Water Heater, detailing specifications in French. Key information includes model THEBOIDIG50V, energy class B, 41% efficiency, 1261 kWh/annum, 75 degrees thermostat setting, 15 dB noise level, and smart indication. EPREL registration number 1737723.
Xehetasun gehiago lortzeko, bisitatu EPREL datu basea.
8. Bermea
Thermex provides a full 2 urteko bermea on the appliance from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
The warranty does not cover damage caused by improper installation, misuse, neglect, unauthorized repairs, or natural disasters.
9. Bezeroarentzako arreta
For technical assistance, troubleshooting, or warranty claims, please contact Thermex customer support:
- Fabrikatzailea: Thermex
- Saltzailea: Thermona (on Amazon.de)
- Zerbitzu hornitzaile: KIIP B.V.
- Posta elektronikoa: info@kiip.de
- Webgunea: https://www.kiip-bv.nl
- Telefonoa: +31229842424
- Helbidea: Wester Boekelweg 21A, 1718MJ Hoogwoud, Nederland
You can also visit the official Thermex store on Amazon for more information: Thermex Store





