EHEIM Thermocontrol 250w Aquarium Heater

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

1. Product Details:

   • Model: EHEIM Thermocontrol 250w Heater
   • Description: With the EHEIM precision heater, your fish receive exactly the right temperature – in any aquarium.
   • Diameter: 36mm
   • Height: 375mm
   • Performance at 50 Hz: 250 Watts
   • Temperature Range: 18 to 34°C
   • Sea water: Yes
   • Freshwater: Yes
   • For aquariums up to approx.: 300L
   • For aquariums of about: 250L
   • Manufacturer Guarantee: 3 Years

2. Benefits:

   • Precise temperature adjustment: 18 up to 34°C
   • Recalibration: Simple and safe (±2°C)
   • Temperature control accuracy: ± 0.5°C
   • Constant heating level: Heat kept at a steady state
   • Control lamp: Indicates heating function
   • Waterproof: Completely submersible
   • Safety shut-off: Automatic dry run shut-off (Thermo Safety Control)
   • Glass jacket: Increases heating surface and ensures optimal, even heat emission
   • Cable length: Approximately 170 cm
   • Suction cup holder: Included with double suction cups
   • Multiple sizes: Available for aquariums from 20 to 1000 litres
   • Water compatibility: Suitable for freshwater and marine environments
   • Quality: Precision and safety “Made in Germany”

3. How It Works:

   • Temperature precision: Adjustable from 18 to 34°C and recalibratable (±2°C).
   • Control accuracy: ± 0.5°C with consistent heat level maintenance.
   • Indication: Heating function is shown via control lamp.
   • Submersible: Fully watertight, with automatic dry run shut-off (Thermo Safety Control).
   • Water type compatibility: Suitable for both freshwater and marine environments.

4. Innovations:

   • Glass jacket: Increases the heating surface, condenses heat for even distribution, and provides a heat shield to protect livestock from burns.

5. Manufacture Of The Glass Jacket:

   • Material: Made from special laboratory glass developed for research purposes.
   • Pollutant-free: Ensures no harmful substances are released into the water.
   • Resistant: To chemical and biological substances.
   • Durability: Free from fissures and cracks, resistant to extreme temperature fluctuations.