It couldn't be simpler: With the EHEIM aquarium heater the pre-set temperature for the aquarium fish is pre-set.Your aquarium maintains a constant temperature of 25 degrees Celsius.

The electronic control guarantees an extremely high temperature accuracy, the highly efficient heating element ensures uniform heat distribution.
The EHEIM thermostatic rod thermostat differs from the classic EHEIM thermostat due to the additional plastic protection that ensures high mechanical stability. As usual the thermostat is equipped with an LED for controlling the heating function and with dry run protection.
For aquariums from 25-60 litres.
Height: 168,50mm

Advantages of the EHEIM thermopreset thermostat

High usability thanks to the preset temperature.
Smaller in size and can also be used in small aquariums.
Very narrow and therefore less visible in the aquarium.
The plastic protection ensures high mechanical stability.
High temperature accuracy due to electronic control.
Precise heat distribution thanks to the highly efficient heating element.
With protection for dry operation.
Indicator light indicates operation.
Supplied fixing suction cups.
Suitable for fresh water and salt water.
3 years warranty.