With the EHEIM Precision Heater, your fish receive the perfect temperature— in any aquarium.
Often, the simplest ideas are the best. For example, the rod-shaped aquarium heater. The heating rod is simply suspended in the water and warms it. While the principle remains unchanged from decades ago, much has evolved since then. Today, the adjustable EHEIM heater is a highly modern electronic heating device featuring the best available technology. The specially designed laboratory glass casing increases the heating surface, acts as a thermal shield, and ensures an even heat distribution.
**125 watts is suitable for an aquarium with a capacity of 150-200 liters.**
**250 watts is suitable for an aquarium with a capacity of 400-600 liters.**
**Benefits of EHEIM Thermal Heaters:**
- Precise temperature adjustment from 18 to 34 degrees Celsius
- Simple and safe recalibration (±2 degrees Celsius)
- Temperature control accuracy of ±0.5 degrees Celsius
- Maintains heat at a constant level
- Heating function indicated by a control lamp
- Fully submersible (waterproof)
- Automatic shut-off during dry operation (thermal safety control)
- The glass casing enhances the heating surface and ensures even heat emission
- Practical cable length of approximately 170 cm
- Includes double suction cup holder
- Suitable for freshwater and marine environments
- Precision, ease of use, quality, and safety, "Made in Germany."
**One of the key innovations is the glass casing:**
- Increases the heating surface,
- Concentrates heat, ensuring even heat emission
- Acts as a thermal shield.