Eheim Thermocontrol+ e 300 WiFi Aquarium Heater 300W (3718010)

The Eheim Thermocontrol+ e 300 is Eheim's most advanced aquarium heater — combining the proven reliability of the legendary Thermocontrol range with integrated WiFi (WLAN) control via smartphone, tablet, or PC. With 300W of heating output, it is suitable for aquariums from 600L up to 1000L, 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 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 from special laboratory glass with a flawless finish and manufactured in Germany, the Thermocontrol+ e 300 is one of the most technically 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
• Expert mode: Allows fine calibration using an external thermometer for maximum temperature precision
• 300W heating output: Suitable for aquariums from 600L to 1000L
• Electronic temperature control: Maintains set temperature with a precision of ±0.5°C
• Special laboratory glass coating: Increases heating surface area, acts as a heat shield, and ensures even heat distribution throughout the water column
• IPX8 waterproof rated: Fully submersible — immerse up to the marked line for optimal WiFi signal reception
• 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, materials, 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 600L to 1000L
• 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: 300W / 230V

Product Details

• Brand: Eheim
• Product Code: 3718010
• Type: WiFi Electronic Aquarium Heater
• Wattage: 300W
• Temperature Range: 18°C – 32°C (adjustable)
• Temperature Accuracy: ±0.5°C
• Aquarium Size: 600L – 1000L
• Length: 496mm
• Diameter: 36mm
• Cable Length: 170cm
• Waterproof Rating: IPX8
• Warranty: 3 years
• Made in: Germany
• Suitable For: Freshwater and marine aquariums

The Eheim Thermocontrol+ e 300 is the ideal heater for advanced aquarium keepers, reefers, and anyone managing large aquariums who wants smart, remote temperature control with instant alerts and full integration with the Eheim digital ecosystem.