EHEIM Thermocontrol e Heater
The EHEIM thermocontrol e is a top-of-the-line, fully submersible aquarium heater designed for both freshwater and saltwater environments. The heater features the classic “hang in the water” design, but enhances functionality with precise temperature adjustments between 20°C and 32°C, accurate within ±0.5°C. It includes dry-running protection to provide unmatched safety and control in the event of low water levels or other accidents.
Constructed with a state-of-the-art glass jacket, the heater increases the heating surface and acts as a heat shield, ensuring optimal heat emission and uniform distribution around the tank. Built to the high-quality standards of German engineering, it delivers reliable performance in demanding aquarium conditions.
| Specifications |
|---|
| Temperature Range: 20°C to 32°C |
| Accuracy: ±0.5°C |
| Heating Method: Submersible |
| Protection: Dry-running protection |
| Material: Glass jacket, durable construction |
FAQ
What is the temperature range of the EHEIM thermocontrol e heater?
The temperature range is 20°C to 32°C, with an accuracy of ±0.5°C.
Does the heater have safety features?
Yes, it includes dry-running protection to prevent damage in case of low water levels or accidental exposure.
Is the heater suitable for both freshwater and saltwater tanks?
Yes, the EHEIM thermocontrol e is designed for use in both freshwater and saltwater environments.




Jan Hodges –
The heater maintains a steady temperature in my 120-liter tank. It’s easy to install and the glass jacket helps distribute heat evenly. No temperature spikes even during temperature changes in the room. Very reliable for daily use.
Melanie Harris –
I’ve had this heater for over a year and it’s still working perfectly. The temperature control is precise and the dry-running protection gives me peace of mind. My fish stay healthy and active.
Heather Wilson –
Works well in my saltwater tank. The heat distribution is even, and I don’t have to adjust it often. A bit bulky, but the performance is solid. Would recommend for consistent temperature needs.