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Your cart is empty. The Eheim thermocontrol e is a top of the line, fully submersible aquarium heater designed for both freshwater and saltwater environments. The heater takes on the classic "hang in the water" design, but elevates its functionality with incredibly precise temperature adjustments between 20°C and 32°C, accurate within ± 0.5°C. The durable and impact-resistant heater has an output of 50 watts and is ideal for aquariums between 7 and 16 gallons in size. Includes dry-running protection to offer unmatched safety and control in the event of low water levels or other accidents.
This reliable heater has been constructed with a state-of-the-art glass jacket that increases the heating surface and acts as a heat shield, ensuring optimum heat emission and uniform distribution around the tank. Boasting the high quality construction standard of German engineering, the heater is ideal for both the experienced hobbyist and new fish keeper, with a 3 year manufacturer warranty for even greater ease of mind.
To the benefit of aquarists everywhere, this ultra modern electronic thermal device requires zero readjustment for accurate results and includes a convenient 5.5 foot long plug in cable, a double suction cup holder to securely place the heater anywhere in the tank and an easily visible control lamp that indicates red for "heating up" and green for "temperature reached".
Tyler S.
Reviewed in the United States on May 10, 2025
Performing as it should for my 13g reef tank. Have it hooked into an Inkbird controller.
Charly
Reviewed in Mexico on February 16, 2025
Llegó quebrado en su interior, lo regrese
man on the moon
Reviewed in the United States on February 1, 2024
I run eheim and fluval heaters exclusively. They are such a crucial part of any tank and i figure the money is well spent. Its been running 3 weeks now at pinpoint accuracy. I have a different model eheim that has been running no issues for 3 years now and i figure this one will be no different. Dont buy that random Chinese garbage and go with a trusted name.
angelica_cancun
Reviewed in Mexico on December 3, 2024
Por error compré otro calentador y cuando inició el frío los peces se comenzaron a enfermar , ahora hasta veo más tranquilos a los peces . El indicado lead es práctico. Lo recomiendo
Abraham
Reviewed in Mexico on October 11, 2022
De lo mejor en cuanto a calentadores de acuario, preciso y de calidad, uso esta marca en mis tres acuarios y jamás he tenido problema
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