SKU: 51584668027

EHEIM Jager Aquarium Thermostat Heater

$53.09 $58.99
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  • USA
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

EHEIM Jager Aquarium Thermostat HeaterFully submersible Thermo safey control protects agianst running dry. Will automatically turn off when water level dips too low TruTemp dial recalibrates the heater for percise temperature regulation Made of shock resistant and shatter proof glass for fresh or marine water On Off indicator light for at a glance monitoring From the manufacturer 19" rod for aquariums 159 264 gallons Calibrating your Eheim Jager Heater The reason Jager heaters have a

  • Fully submersible
  • Thermo safey control protects agianst running dry. Will automatically turn off when water level dips too low
  • TruTemp dial recalibrates the heater for percise temperature regulation
  • Made of shock resistant and shatter proof glass for fresh or marine water
  • On/Off indicator light for at a glance monitoring

From the manufacturer


19" rod for aquariums 159 - 264 gallons

Calibrating your Eheim Jager Heater

The reason Jager heaters have a reputation for being the most accurate heaters available is the ability to recalibrate the heater.

The factory setting should be reasonably close but if you moved either the red arrow or the blue dial before reading the instructions you may need to recalibrate the heater.

  • Features a shatterproof glass construction
  • TruTemp dial adjusts from 65° to 93° F
  • Thermo safety control enables 'running dry' protection
  • On/off indicator light verifies heater functions
  • Includes mounting bracket and suction cups
  • Simple and safe recalibration (±2 °C)
  • Generous 5.6 foot cord

Eheim Jager TruTemp Submersible Heater

300 Watts

Precisely regulated, constant water temperature is very important for the comfort and success of your aquarium inhabitants. The Jäger TruTemp adjustable heater is an ultra-modern electronic thermal device offering today's best technology. Designed for use in both freshwater and saltwater aquarium, Jäger TruTemp fully-submersible heaters include these great features:

Shatterproof glass construction - Made with laboratory-grade glass, TruTemp heaters are free of pollutants, resistant to chemical and biological substances, and able to withstand extreme temperature fluctuations. Their glass jackets also enlarge the heating surface and ensure even heat distribution.

TruTemp Dial - Temperature can be precisely adjusted from 18° to 34° C (65° to 93° F). Using the TruTemp dial with readjustment ring, the user can recalibrate the heater for a precise temperature reading. Control accuracy is +/- 0.5° C.

Thermo Safety Control - This safety mechanism enables 'running-dry' protection. The heater will shut off when removed from the water, and resume functioning upon return.

On/Off Indicator Light - This convenient feature eliminates guessing and enables the user to verify heater function without getting their hands wet!

Each Jäger TruTemp Heater also includes a mounting bracket and suction cups for secure and flexible placement within your aquarium system. Lastly, an extra long power cord accommodates most applications.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51584668027

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Johnelle Burnett
Charlottesville, US
★★★★★ 5
Great product
Size: Medium, Color: Sky Blue White
Awesome suit, fits perfectly
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Reviewed in the United States on March 26, 2026
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Rev. Malcolm O. Nelson
Chelsea, US
★★★★★ 5
Classy
Size: X-Large, Color: Champagne
Wonderful!!
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Reviewed in the United States on March 29, 2026
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Roselande Pierre
Fort Morgan, US
★★★★★ 5
Soy feliz
Size: Medium, Color: Purple White
Buena calidad soy contenta
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Reviewed in the United States on May 25, 2026
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Denise
Birmingham, US
★★★★★ 5
For special occasions
Size: Small, Color: Grey Black
Very nice fitted suit.
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Reviewed in the United States on May 1, 2026
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Paul Slaughter
Chelsea, US
★★★★★ 5
Surprisingly good product.
Size: 5X-Large, Color: Grey Black
Came exactly as suspected. When ordering a 3 piece tux I expected to find some sort of problem or something that didn't fit, but I was pleasantly surprised. Looks like the photos and fits as advertised. So very happy. Doesn't look cheap or gimmicky. Thank you!
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Reviewed in the United States on October 19, 2025

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