EHEIM Jager 75W Aquarium Thermostat Heater | TruTemp Precision

Reliable temperature control for your aquatic world

The EHEIM Jager 75W aquarium thermostat heater blends dependable warmth with thoughtful design for both freshwater and marine setups. Because it is fully submersible, you can position it discreetly in your tank without compromising the look of your décor, while still achieving steady heat distribution across the water column.

At the heart of this heater is the TruTemp dial, which lets you recalibrate the temperature with a precision of +/- 0.5°F. In everyday use, this feature helps you tailor readings to your specific water conditions, making it easier to maintain a comfortable environment for your fish, plants, and invertebrates.

Key safety and durability features

• Thermo safety control protects against running dry
• Automatically turns off when water level dips too low
• Shock-resistant and shatter-proof glass for reliable performance in fresh or marine water
• On/Off indicator light for at-a-glance monitoring

Practical benefits for everyday aquarium care

• Precise temperature regulation with adjustable calibration supports diverse tank inhabitants
• Fully submersible design enables flexible placement and discreet integration with your setup
• Clear status visibility via the indicator light during setup and checks

Designed to be a straightforward, trustworthy tool, the Jager 75W offers a dependable baseline for your aquarium's thermal needs. Depending on tank size, water volume, and room conditions, you may notice fewer temperature fluctuations over daily cycles and easier long-term maintenance planning. Pairing this heater with routine testing and gradual temperature changes can help you establish a stable, comfortable environment for your aquatic life.

Quick reference specifications

The unit is fully submersible with a simple on/off control and a TruTemp calibration feature that supports precise readings. Built with durable glass, it is suitable for both freshwater and saltwater systems, making it a versatile choice for many hobbyists.