Eheim Thermocontrol+ e 250 WiFi Aquarium Heater 250W (3716010)

The Eheim Thermocontrol+ e 250 is Eheim's smart WiFi-enabled aquarium heater, combining the trusted reliability of the legendary Thermocontrol range with integrated WiFi (WLAN) control via smartphone, tablet, or PC. With 250W of heating output, it is suitable for aquariums from 400L up to 600L, and gives you full digital temperature management from anywhere.

Set your precise target temperature between 18°C and 32°C through the free Eheim app, and receive an instant email or push notification if the water temperature deviates by more than ±2°C — giving you complete peace of mind whether you are at home or away. The Thermocontrol+ e can also synchronise wirelessly with the Eheim Professionel 5e filter and Eheim LEDcontrol+ for fully integrated smart aquarium management.

Built with a special laboratory glass coating, manufactured in Germany, and backed by a 3-year warranty, the Thermocontrol+ e 250 is one of the most advanced and reliable aquarium heaters available in Australia.

Key Features

• Integrated WiFi (WLAN): Full digital control via smartphone, tablet, or PC/MAC using the free Eheim app — set temperature, monitor status, and receive alerts remotely
• Adjustable temperature range: Set precisely from 18°C to 32°C in fine increments via the app
• Temperature deviation alert: Instant email or push notification if temperature deviates by ±2°C — immediate warning of any heater or aquarium issue
• Smart device synchronisation: Wirelessly links with Eheim Professionel 5e external filters and Eheim LEDcontrol+ lighting — full integration with the Eheim digital ecosystem
• Day/night temperature scheduling: Automatically adjusts temperature on a schedule — for example, 25°C during the day and 23°C at night
• Expert mode: Fine calibration using an external thermometer for maximum temperature precision
• 250W heating output: Suitable for aquariums from 400L to 600L
• Electronic temperature control: Maintains set temperature with a precision of ±0.5°C
• Special laboratory glass coating: Increases heating surface, acts as a heat shield, and ensures even heat distribution
• IPX8 waterproof rated: Fully submersible — immerse up to the marked water level line for optimal WiFi signal reception
• Encrypted WiFi connection: Each unit is factory-encrypted for network security — password adjustable by the user
• LED indicator: Clearly shows active heating status at a glance
• Dry-run protection: Auto shut-off if operated out of water
• Freshwater and marine compatible: Suitable for all aquarium water types
• Made in Germany: Eheim's trademark build quality and reliability
• 3-year warranty: Backed by Eheim's industry-leading guarantee
• 170cm cable length: Generous cable for flexible placement

Compatibility

• Suitable for: Freshwater and marine aquariums from 400L to 600L
• Adjustable temperature: 18°C to 32°C
• WiFi connectivity: 2.4GHz WLAN — compatible with iOS and Android via Eheim app
• Smart sync: Eheim Professionel 5e filter, Eheim LEDcontrol+
• Power: 250W / 230V

Product Details

• Brand: Eheim
• Product Code: 3716010
• Type: WiFi Electronic Aquarium Heater
• Wattage: 250W
• Temperature Range: 18°C – 32°C (adjustable)
• Temperature Accuracy: ±0.5°C
• Aquarium Size: 400L – 600L
• Length: 431mm
• Diameter: 32mm
• Cable Length: 170cm
• Waterproof Rating: IPX8
• Warranty: 3 years
• Made in: Germany
• Suitable For: Freshwater and marine aquariums

The Eheim Thermocontrol+ e 250 is ideal for advanced aquarium keepers and reefers managing medium to large aquariums who want smart, remote temperature control with instant alerts, day/night scheduling, and full integration with the Eheim digital ecosystem.