The electric heater is ideal for solar water heaters, providing an efficient way to preheat water during periods without sunshine. Designed for direct immersion in water, this heater converts electrical energy into heat, ensuring the necessary water temperature. With a diameter of 140 millimeters and 8 holes, it will easily adapt to your needs. It has a power of 4 kW and a length of 72 centimeters, making it perfect for immediate installation in water heaters.