Electric thermal electric heater – wall boiler 12/24 kW Defro electric boiler

2025-04-16T17:36:26+02:00

Vendor: Defro
Type: Electric boiler
Price: 1058.00

Electric boiler, electric heating – wall-mounted boiler 12/24 kW

Product description

The innovative Electric wall-mounted boiler It offers a modern solution for environmentally friendly heat supply and impresses with its reliable operation. Its sophisticated design allows operation at different power levels, making it versatile enough to integrate into various heating concepts.

This device is a particularly attractive choice when combined with photovoltaic systems. The installation is straightforward and does not require a high financial outlay, making it a cost-effective alternative to modern heating systems.

Versatile applications

Whether as the primary heat source in well-insulated buildings or as supplementary heat support for other heating systems – the wall-mounted boiler adapts flexibly to the requirements. Especially in combination with underfloor heating or radiators, it impresses with its precise control and high efficiency.

Additionally, the device can be used as an auxiliary heat source in conjunction with systems such as heat pumps, fireplaces, or continuous-burning boilers. This ensures comfortable operation even under demanding winter conditions.

Efficiency and environmental friendliness

With an efficiency of 99.5%, the wall-mounted boiler The desired room temperature is reached quickly, contributing to optimal energy efficiency. Emissions remain completely under control, as no environmentally harmful pollutants or exhaust gases are released.

The system's holistic approach stands for sustainability and environmentally friendly operation, making it convincing not only economically but also ecologically.

Easy installation and control

The installation of the boiler is straightforward and requires no complicated modifications to the existing heating system. The unit is designed for easy integration into open or closed systems and allows for seamless connection to existing installations.

Thanks to state-of-the-art monitoring technology, the system can be conveniently controlled via smartphone at any time. This allows you to keep track of all boiler functions and optimally adjust energy consumption to your needs.

Innovative features and options

The wall-mounted boiler impresses with a multitude of advanced functions that optimally meet individual heating requirements. For example, modular control of the maximum heating output is possible, allowing for precise adjustment to different needs.

An integrated daily and weekly programmer allows for flexible planning of heating operations, while optional Wi-Fi control provides easy access to all system functions. The boiler can also be easily connected to PV systems, further improving the efficiency of your heating concept.

Further innovative features, such as the operation of the mixing valve and auxiliary pump, a sophisticated frost protection and anti-stop system, and an advanced cooling system for the boiler components, complete the technical concept. The wide operating range of 5 to 80°C also enables stable operation in a wide variety of applications.

Technical data:

parameter | | Unit | |
| | | 12 | 24
Rated power of one phase (of a heating element) | | kW | 5.4 | 8
Rated power of three phases (of all heating elements) | | kW | 16.2 | 24
feed-in | 1-phase network | V | - |
| 3-phase network | | 3 × 400 V/50 Hz |
fuses | 1-phase network | A | - |
| 3-phase network | | 3 × 25 | 3 × 40
Rated power consumption | 1-phase network | A | - |
| 3-phase network | | 3 × 23.1 | 3 × 34.8
Minimum cross-section of power cables | 1-phase network | A | - |
| 3-phase network | | 5 × 4.0 | 5 × 10.0
Rated current consumption | | A | 3 x 23.1 | 3 x 29.0
Maximum permissible impedance of the supply network | | Ω | 0.27 | 0.13
Max. operating pressure | | MPa (bar) | 0.15 (1.5) |
Capacity of the membrane vessel | | l | 6 | 6
STB setting | | °C | 90 |
Setting the safety valve | | MPa (bar) | 0.3 (3.0) |
boiler weight | | kg | 28 | 28

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User manual