SKU: 10903166423

EHEIM thermocontrol e 400 heater

Sale price$153.17 Regular price$170.19
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Description

EHEIM thermocontrol e 400 heaterWith the EHEIM thermocontrol e heating element, your fish will enjoy the ideal temperature with even greater precision in every aquarium. Often, the simplest ideas are the most effective, and this holds true for the aquarium heating element. It is designed to be easily submerged in the water, providing efficient heating just as it has for many years. However, the EHEIM controller heater has evolved into a highly advanced thermal device. The

With the EHEIM thermocontrol-e heating element, your fish will enjoy the ideal temperature with even greater precision in every aquarium. Often, the simplest ideas are the most effective, and this holds true for the aquarium heating element. It is designed to be easily submerged in the water, providing efficient heating just as it has for many years. However, the EHEIM controller heater has evolved into a highly advanced thermal device. The temperature can be accurately set and is measured with enhanced precision, maintained consistently thanks to advanced electronics. The special laboratory glass coating not only increases the heating surface but also serves as a heat shield, ensuring an even distribution of warmth. Whether you need to heat a 20-liter or a 1200-liter aquarium, there are 10 different sizes available.

Advantages of the EHEIM control heater thermocontrol-e

  • Accurate temperature adjustment from 20 to 32 °C
  • No need for readjustment
  • Control accuracy of ± 0.5 °C
  • Stable temperature maintenance
  • Control lamp indicates heating status (red: heating; green: temperature achieved)
  • Fully submersible and waterproof
  • Equipped with dry-running protection (Thermo Safety Control)
  • The glass coating enhances the heating surface and ensures optimal, uniform heat distribution
  • Convenient cable length of approximately 170 cm
  • Includes double suction holder
  • Available in 10 sizes for aquariums ranging from 20 to 1200 liters
  • Compatible with both fresh and saltwater
  • Exceptional safety and reliability - 3 years warranty

Combining precision, comfort, quality, and safety, the EHEIM thermocontrol aquarium control heater is a significant advancement over the original heater designed by engineer Eugen Jäger decades ago. Before its invention, maintaining an appropriate water temperature was a challenge, often employing complicated or unconventional methods, such as placing the aquarium in sunlight or near a heater or stove.

The thermocontrol-e represents the latest electronically controlled version of this legendary heating element. You can finely adjust the temperature between 20 and 32 °C with a control accuracy of ± 0.5 °C, ensuring a steady temperature. A control lamp will indicate whether the heater is active. This heater is completely waterproof, can be fully immersed, and features dry-run protection (Thermo Safety Control), making it suitable for both fresh and marine water.

One of the notable innovations is the glass coating, which:

  • Increases the heating surface,
  • Consolidates the heat, ensuring optimal and even heat output, and
  • Acts as a heat shield (safe for aquarium inhabitants to touch).

This coating is crafted from special laboratory glass designed for research purposes, ensuring it is free from pollutants that could leach into the water. It is resistant to chemical and biological substances, is crack-proof, and can withstand extreme temperature fluctuations, such as those that may arise during water changes.

Diameter Ø: 36 mm
Height: 496 mm
Power at 50 Hz: 400 Watt
Max. temperature: 32 °C
Saltwater compatible: Yes
Min. temperature: 20 °C
Freshwater compatible: Yes
Packaging: 6 Part(s)
For aquariums up to approximately: 1200 liters
For aquariums of about: 1000 liters
Manufacturer guarantee: 3 years

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: 10903166423

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4.2 ★★★★★
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Adam C.
Battle Creek, US
★★★★★ 4
Seems like a good product, could use a couple improvements...
Size: 19inch
Product seems fine so far, and the adjustable size for the pole is good. Areas for improvement are a larger fill valve so you could fill sand with something other than a teaspoon. Also would have been better if all four wheels had locks and not just two.
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Reviewed in the United States on January 27, 2026
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BOOMER
Massapequa, US
★★★★★ 5
Holds 100 pounds of water
Size: 19inch
Some assembly required. Rolls easily in direction of wood grain on a deck. Very difficult to roll sideways across gaps in deck boards.
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Reviewed in the United States on April 26, 2026
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Ruth Zimmerman
Lexington, US
★★★★★ 2
Not heavy enough.
Size: 19inch
Does not support a double umbrella.
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Reviewed in the United States on May 22, 2026
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SkincareJunkie420
Omaha, US
★★★★★ 5
My Dogs Love This!
As a dog mom to two pups, I’m always looking for toys that encourage interactive play, and this one has been a hit. ✨ What stood out: ✔ Easy-to-grab handles ✔ Great for tug-of-war ✔ Flexible but sturdy design ✔ Floats in water ✔ Fun sensory scent ✔ Perfect size for medium dogs The dual-handle design makes it comfortable for both me and my dogs during tug games, and it feels much safer than trying to grab random rope toys. The material has enough flexibility to be comfortable while still feeling durable enough for active play. My dogs immediately took interest in it, and we’ve used it both indoors and outdoors. It’s made from a thick material that is extremely durable as well as chew resistant. My dogs go crazy over it! If your dog enjoys tug-of-war, fetch, or interactive play with their humans, this is a really fun option!
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Reviewed in the United States on May 31, 2026
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Amazon Customer
Port Orchard, US
★★★★★ 5
Quality materials, durable, and fun to play with.
This Pupstages Flex-Force tug toy is perfect for people who have two large dogs, like I do. The two-handle design is a great feature. It gives you a comfortable, secure grip during tug-of-war, which makes playtime feel more controlled. It’s also helpful if you have two dogs who want to play at the same time, because each can grab a side and get into the game. Another fun thing about the design is that the irregular shape gives it an unpredictable bounce that’s exciting for my dog who loves to fetch. The material is rubbery enough that it bounces well too. The material has a bit of flex to it, which helps absorb some of the pulling force instead of feeling rigid. That slight give makes tugging feel smoother and a little easier on both your hands and your dog’s mouth. It’s also more fun for my dogs. It’s sturdy enough for regular play, though as with most toys, extremely aggressive chewers may still wear it down over time. So far, I’ve been impressed by how sturdy it is. The material feels high-quality to me, like it’s made from very good materials. I’ve owned probably a hundred different dog toys, and this feels like one of the better made ones. One fun detail is the blueberry-apple scent. It’s not overpowering, but it’s noticeable enough to make the toy more interesting to dogs. I can smell it if I hold it up to my nose. Whether they think it smells like a gourmet treat or just “intriguing mystery object” is up to them, but it definitely adds to the appeal. The fact that it floats is a nice bonus. It opens up the option for water play, like tugging at the edge of a pool, lake, or even just retrieving it from shallow water. I have a tiny pond in my backyard, so most dog toys end up wet at some point. Size-wise, it works well for a range of breeds. It’s big enough to feel substantial but not so large that it becomes awkward to handle. It has some nice weight to it, while still being manageable for smaller dogs to carry. This is a fun, well-designed tug toy that encourages interactive play. It’s comfortable to hold, engaging for my dogs, and versatile enough for both land and water adventures. I think it’s a very good value at the current price.
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Reviewed in the United States on March 26, 2026

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