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Description
EHEIM thermocontrol 25 heaterWith the EHEIM precision heater, your fish will enjoy the perfect temperature in any aquarium. Diameter 36 mm Height 243 mm Performance at 50 Hz 25 Watt Max. temperature 34C Sea water Yes Min. temperature 18C Freshwater Yes Packing dimensions (Width) 6. 5 cm Packing dimensions (Height) 34. 5 cm Packing dimensions (Depth) 5 cm For aquariums up to approx. 25 Liter For aquariums of about 20 Liters Sometimes the simplest ideas are the most effective. Take
With the EHEIM precision heater, your fish will enjoy the perfect temperature in any aquarium. Diameter Ø36 mm Height 243 mm Performance at 50 Hz 25 Watt Max. temperature 34°C Sea water Yes Min. temperature 18°C Freshwater Yes Packing dimensions (Width) 6.5 cm Packing dimensions (Height) 34.5 cm Packing dimensions (Depth) 5 cm For aquariums up to approx. 25 Liter For aquariums of about 20 Liters Sometimes the simplest ideas are the most effective. Take the aquarium heater, for instance, which functions as a rod. This heating rod is simply submerged in the water to warm it. While the basic principle has remained unchanged for decades, significant advancements have been made since then. Today, the EHEIM adjustable heater is a state-of-the-art electronic heating device utilizing the latest technology. A jacket crafted from specialized laboratory glass enhances the heating surface, acts as a heat shield, and guarantees optimal heat distribution. Whether you need to heat a 20 or a 1000-liter aquarium, there are 9 sizes available to accommodate your needs. **Advantages of the EHEIM thermostatic heaters** - Accurate temperature adjustment from 18 to 34 °C - Easy and secure recalibration (±2 °C) - Temperature control precision of ± 0.5 °C - Maintains a consistent temperature - Heating function is signaled by a control light - Fully submersible (watertight) - Equipped with automatic dry run shut-off (Thermo Safety Control) - A glass jacket expands the heating surface and ensures effective, even heat distribution - Convenient cable length of approximately 170 cm - Comes with a double suction cup holder - Available in 9 sizes suitable for aquariums ranging from 20 to 1000 liters - Ideal for both freshwater and marine environments - Precision, user-friendliness, quality, and safety “Made in Germany” The EHEIM aquarium heater represents an evolution of the iconic heating rod. You can precisely set the temperature from 18 to 34 °C and recalibrate it as needed (±2°). The accuracy of temperature control is ± 0.5 °C, ensuring that the heat remains stable. The control lamp indicates when the heating function is active. This rod is completely watertight, can be entirely submerged, features an automatic dry run shut-off (Thermo Safety Control), and is compatible with both freshwater and saltwater. A key innovation is the glass jacket, which: - Expands the heating surface, - Concentrates the heat for optimal even heat distribution, and - Serves as a heat shield (safe to touch without harming your aquatic life). The jacket is made from specialized laboratory glass developed for research purposes, ensuring it is free from harmful pollutants that could leach into the water. It is resistant to chemical and biological substances and does not have any fissures or micro-cracks that could allow condensation to penetrate. Even extreme temperature fluctuations that may occur during water changes will not damage this durable glass.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.0 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Essential Emergency Kit That Every Vehicle Should Have
After experiencing a flat tire on a remote highway late at night, I realized how unprepared I was for roadside emergencies. That experience led me to purchase the AUTOWN Flat Tire Repair Kit, and I'm incredibly grateful to now have this comprehensive solution in my vehicle. This kit has already saved me twice from having to call for expensive roadside assistance, and the peace of mind it provides is absolutely priceless.
The 31-piece kit is impressively complete. It includes everything you need to handle a flat tire emergency, from the tire plugs themselves to insertion tools, rasps, and even extras that many cheaper kits omit. The variety of plug sizes means you can handle different types of punctures, and having multiple plugs means you're prepared for more than one emergency before needing to restock.
What sets this kit apart is the quality of the tools. The T-handle insertion tool feels solid and well-made, not like the flimsy plastic tools that come with some budget kits. The reamer tool cuts through damaged rubber cleanly and efficiently, making it easy to prepare the puncture hole for the plug. Having used cheaper tire repair kits in the past that broke during use, I really appreciate the durability and reliability of these tools.
The storage case is another thoughtful feature that makes this kit practical for vehicle storage. Everything fits neatly in the organized case with dedicated spaces for each component, which means you can quickly find what you need during an emergency. The case is compact enough to fit in a glove box or under a seat, but it's also rugged enough to withstand being rattled around in a trunk without falling apart.
Using this kit is surprisingly straightforward, even for someone without extensive automotive experience. The process involves identifying the puncture, using the reamer to prepare the hole, inserting the plug with the T-handle tool, and trimming the excess. I was able to successfully repair a puncture on my first attempt following the basic instructions, and the repair has held perfectly for months of daily driving.
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Complete and very handy tire repair kit
I bought this tire repair kit to keep in my vehicle for emergencies, and it has already come in handy. The kit comes with everything needed to fix a flat quickly, and having all the tools in one case is very convenient.
The plugs worked well and sealed the puncture properly, allowing me to get back on the road without issues. The tools feel solid and easy to use, even if you don’t have a lot of experience with tire repairs.
The case is a bit tight once everything is packed back in, but that’s a small issue. Overall, this is a reliable and practical kit that’s great to have for cars, motorcycles, or other vehicles. I’m very glad I bought it.
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Great in every way
Nice kit full of useful tools to fix punctures in tires better than anything I have ever tried before. The quality is pretty good - good enough to do what it’s supposed to do. It’s better if you fix your tire when it’s off of your car. It’s a lot easier to push the plug down when your standing and can use your body weight rather than laying on the ground in an awkward position and trying to push the plug in. I did the latter and it was not fun. I lived and learned. Anyhow, I wasn’t going to drive on rims essentially with a flat to get it repaired somewhere so this was a fantastic buy.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Nice kit
Nice kit, works well
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Does the trick
Perfect tools included for the job. Nice set, good price
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Reviewed in the United States on May 13, 2026