EHEIM Thermocontrol 25w Aquarium Heater

The Eheim Thermocontrol Aquarium Heater was formerly known as the EHEIM JÄGER Aquarium Heaters.

1. Product Details:

   • Model: EHEIM Thermocontrol 25w Heater
   • Description: With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium.
   • Diameter: 36mm
   • Height: 243mm
   • Performance at 50 Hz: 25 Watts
   • Temperature Range: 18 to 34°C
   • Sea water: Yes
   • Freshwater: Yes
   • For aquariums up to approx.: 25L
   • For aquariums of about: 20L
   • Manufacturer Guarantee: 3 Years

2. Benefits:

   • Precise temperature adjustment: From 18 up to 34°C
   • Simple and safe recalibration: ±2 °C
   • Temperature control accuracy: ± 0.5 °C
   • Heat kept at a constant level
   • Heating function: Indicated by a control lamp
   • Completely submersible: Watertight
   • Automatic dry run shut-off: Thermo Safety Control
   • Glass jacket: Increases the heating surface and ensures optimum even heat emission
   • Cable length: Approx. 170 cm
   • Includes: Double suction cup holder
   • Available sizes: 9 sizes for aquariums from 20 up to 1000 litres
   • Suitable for: Fresh and marine water
   • Precision, ease of use, quality and safety: “Made in Germany”

3. How It Works:

   • Precise temperature setting: From 18 to 34°C and can be recalibrated (±2°C).
   • Temperature control accuracy: ± 0.5 °C
   • Constant heat level: Maintained with heating function indicated by a control lamp.
   • Fully submersible and watertight: Includes automatic dry run shut-off (Thermo Safety Control) and is suitable for fresh and marine water.

4. Innovations:

   • Glass jacket: Increases the heating surface, condenses the heat, ensures even heat emission, and acts as a heat shield to protect livestock.

5. Manufacture Of The Glass Jacket:

   • Material: Made from special laboratory glass developed for research purposes.
   • Free from pollutants: Ensures no harmful substances are released into the water.
   • Resistant: To chemical and biological substances, with no fissures or cracks to allow condensation penetration.
   • Durability: Withstands extreme temperature fluctuations during water changes.