Eheim Jager Aquarium Thermostat Heater Review

Eheim Jager Aquarium Heater Review

Today we are going to review the Eheim Jager Aquarium Thermostat Heater. Attention to heating an aquarium is just as important for a thriving habitat as feeding its occupants. Based on the quality design and the key features detailed in my Eheim Jager heater review, I give this equipment a 4.7/5.0 rating.

Pros & Cons

Pros:

  • A very accurate heater
  • Ability to manually recalibrate
  • Shatterproof glass
  • Shuts off if the water dips below a preset level

Cons:

  • Calibration can be a long involved process

Eheim Jager Aquarium Heater Key Features

Eheim Jager heaters are well-equipped to deliver constant, precise temperature regulation to aquariums that may vary largely in size. They each have a shatterproof glass jacket. The jacket is not only protective, but it also expands the heating surface of the device.

Each Eheim Jager Aquarium Thermostat Heater has suction cups and mounting brackets. These tools ensure security once the unit is placed. I also see great flexibility in where I can place the heater in the aquarium.

A 5.6-foot long cord will provide many convenient options for aquarium and heater placement.

Finally, the heater has an on/off indicator light so I can easily determine when it is active.

Eheim Jager Aquarium Thermostat Heater Review

Accurate Temperature Control

Creators of Eheim Jager heaters designed them to be manually calibrated. They have accomplished this with the TruTemp dial. The temperature can be adjusted from 64 to 93 degrees F with increasing and decreasing increments of half a degree F. Once calibrated, the heater will maintain a constant and steady temperature that is among the most accurate on the market. This is vital for the survival and well-being of aquarium habitats sensitive to the slightest changes in temperature.

I am always sure to have a quality glass or digital thermometer on hand to check the water temperature. Water temperature needs to be checked during calibration and periodically to ensure the heater maintains desirable conditions.

Dry-Run Protection

Eheim Jager Aquarium Heaters are constructed to be fully submerged. This guarantees increased heating efficiency over clip-on heaters. These aquarium heaters are also designed to power off when water levels fall too low. Such a feature is priceless in decreasing the risk of broken glass and electrocution. I never want to expose the glass in my heater to extremes in temperatures (i.e. cool room air vs warm water).

Installation

Installation of the Eheim Jager heater is straightforward. Suction cups and bracket protect isolate it from the glass of the aquarium. At the same time, the apparatus does not allow much room for fish to get trapped between the heater and other objects. Videos and instructions are very clear and highlight the simplicity of the process.

The suction cups provide flexibility in placement as long as the heater sits in a high-flow area. Near filters are ideal locations for submersible heaters. Many users recommend a horizontal orientation to account for low water level shutoff.

How Does The Eheim Jager Aquarium Heater Compare?

The Eheim Jager aquarium heater is comparable to others in the top of its class.

Eheim Jager Aquarium Heater vs JBJ True Temp Titanium Heating System

Unique among heaters, the heating element of the JBJ True Temp Titanium Heating System plugs directly into the TruTemp unit. This turns it on and off. The titanium heating element itself does not have a thermostat, and so the system is purported to be more accurate than traditional heaters. The True Temp controller uses a push-button digital input method rather than a dial.

The JBJ Titanium heater is good for professionals or people who have a good amount of time and money to invest in the purchase and operation of an aquarium heater.

Eheim Jager Aquarium Heater vs Aquatop Analog Glass Submersible Heater

The Aquatop Analog Glass Submersible Heater is quite similar to the Eheim Jager. It is not as long as its counterpart nor does it serve as much water volume, but it is very accurate and comes with durable insulated glass. Its warranty is only one year as opposed to three years for an Eimer Jager.

An Aquatop submersible heater is perfect for someone just starting out with sophisticated aquariums and equipment.

Eheim Jager Aquarium Heater vs Aqueon Pro Heater

The Aqueon Pro Heater is another top-of-the-line submersible aquarium heater. It is similar to the Eheim Jager in dimensions and capacity. The thermostat is electronic and extremely accurate (to +/- 1 degree F). This brand of the heater has a lifetime warranty along with shatterproof glass.

The Aqueon Pro heater, like the Eheim Jager, is excellent for most aquarium enthusiasts.

Conclusion

The Eheim Jager aquarium thermostat heater is among the most accurate and efficient heating system I could find. Its dry-run protection feature sets it apart. Calibration requires a little skill and patience, but the Eheim Jager is the best choice for aquarium hobbyists and enthusiasts alike.

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