Product Information

The EHEIM Jager 250-Watt Aquarium Heater is a fully submersible, precision heater designed to maintain consistent water temperatures in both freshwater and saltwater aquariums. Its shatterproof glass construction and precise temperature control ensure a safe and stable environment for aquatic life.

Great for: Medium to large aquariums (90 gallons and up) requiring reliable and accurate temperature regulation.

At-a-glance: 250-Watt submersible heater · Adjustable temperature range 65°F to 93°F · Shatterproof glass construction · Suitable for freshwater and saltwater tanks

Key Features

  • Adjustable temperature range from 65°F to 93°F (18°C to 34°C)

  • Shatterproof glass construction for durability

  • Thermo safety control prevents operation outside of water

  • On/off indicator light for easy monitoring

  • Suitable for both freshwater and saltwater aquariums

Specifications

  • Wattage: 250 W

  • Temperature Range: 65°F to 93°F (18°C to 34°C)

  • Tank Size Recommendation: 90 gallons and up

  • Length: 17.75 inches (45 cm)

  • Diameter: 1.4 inches (3.5 cm)

  • Voltage: 120 V

  • Hertz: 60 Hz

How to Use

  1. Attach the heater to the aquarium wall using the provided suction cups, ensuring it is fully submerged.

  2. Set the desired temperature using the adjustable dial.

  3. Plug in the heater and monitor the on/off indicator light to confirm operation.

  4. Regularly check the water temperature to ensure it remains within the desired range.

Specifications

Power
250 W