The EHEIM thermocontrol 25 W is an adjustable aquarium heater for approximately 20–25 L freshwater or marine aquariums. Its temperature dial covers 18–34 °C, with a control lamp showing when the heater is operating.
Key features
- Adjustable temperature setting with recalibration capability.
- Glass-jacket heater with automatic dry-run shut-off.
- Submersible design with a double suction-cup holder.
Specifications
| Brand | EHEIM |
|---|---|
| Article number | 3611110 |
| Power | 25 W |
| Suggested aquarium size | 20–25 L |
| Temperature range | 18–34 °C |
| Dimensions (diameter × length) | 36 × 243 mm |
| Cable length | Approx. 1700 mm |
| Aquarium type | Freshwater and marine |
| SKU | A004853 |
Before installation
Choose the heater around your tank volume and required temperature rise. Follow the supplied manual for water level, placement and electrical safety, and check the aquarium temperature with a separate thermometer. Compare the thermocontrol 50 W if you need a different power rating.
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