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the EHEIM adjustable heater is an ultra-modern electronic thermal device with the best available technology. A jacket made from special laboratory glass increases the heating surface, serves as a heat shield and ensures optimum even heat emission.


Benefits of the EHEIM thermostatic heaters

  • 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 is indicated by a control lamp
  • Completely submersible (watertight)
  • With automatic dry run shut-off (Thermo Safety Control)
  • A glass jacket increases the heating surface and ensures optimum even heat emission
  • Handy cable length ca. 170 cm
  • Including double suction cup holder
  • Suitable for fresh and marine water


Uses the TruTemp dial based adjustment ring to allow the heater to be calibrated.



Diameter -36mm


Height - (25W)/(50W) 243 mm | (75W) 270mm | (100W) 319 mm | (125W) 319mm | (150W) 345mm | (200W) 406mm | (250W) 452mm | (300W) 506mm


Aquarium Size Recommendation -  (25W) 20L | (50W) 25L | (75W) 60L | (100W) 100L | (125W) 150L | (150W) 200L | (200W) 300L | (250W) 400L | (300W) 600L


3 Year Manufacturer Gurantee.

Eheim Jager Trutemp Aquarium Heater

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