HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater
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Availability:
20 left in stock
Arrives
Monday, Aug 10
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Size: 500W
Features
- Rapid Heating and Two Temperature Control System500W aquarium heater is sutable for 75-120 gallon fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range: 63-94F/17-34C). You can press and hold the button next to the controller for 2-3 seconds to switch.
- Intelligent Water Sensor and Over Temperature ProtectionThis fish tank heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.
- Explosion-proof Quartz Glass Aquarium HeaterThe submersible aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, faster water heating and longer lasting. And the stronger black shell is a high temperature resistant ABS material which protect the fish, your aquatic organisms and you from scalding.
- Accurate External Digital Display ControllerThe external IC temp controller of this aquarium water heater can show the water temp with 2 red LED digits. The temperature in Fahrenheit and Celsius is displayed, which can be switched by pressing and holding the button for a few seconds. To set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again.
- Wide Range of UseThis 500 watt adjustable aquarium heater is suitable for many occasions. The fish market is a common place for us. It can maintain the freshness of fish. They are also suitable for places where aquatic life such as fish tanks, aquariums, and small fish ponds are kept. There are strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged.
Is Discontinued By Manufacturer : No
Package Dimensions : 13.69 x 6.06 x 2.66 inches; 1.46 Pounds
Item model number : AP-02 500W
Date First Available : September 25, 2021
Manufacturer : HiTauing
Best Sellers Rank: #2,692 in Pet Supplies (See Top 100 in Pet Supplies) #6 in Aquarium Heaters
#6 in Aquarium Heaters:
Customer Reviews: 4.4 4.4 out of 5 stars (5,522)
Item Weight: 1.46 pounds
Manufacturer: HiTauing
Item model number: AP-02 500W
Date First Available: September 25, 2021
Item Package Dimensions L x W x H: 13.69 x 6.06 x 2.66 inches
Brand Name: HiTauing
Target Audience Keyword: fish
Directions: Please keep heater fully submerged in water before plugging in
Size: 500W
Material: Hard Plastic
Care Instructions: Clean after Use
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Aug 10
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 100W
I own over 20 of these heaters, from 50 watt to 500 watt. They are very accurate and the building in controller does an amazing job. It has a low water trip, so it does not burn up from a water change or evaporation. It also has built in failure trip, for which I was grateful. Only ever had one fail, it shut itself off. I was able to contact support quickly a they overnighted a replacement. On top they look way better in a tank than most other heaters. I use them in both Saltwater and Freshwater.
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Reviewed in the United States on February 8, 2026 by Brandon Barnedt
Size: 300W
I’ve been using the HiTauing submersible heater in my 75, 125, and two 10 gallon freshwater tanks for a few weeks now, and I’m really happy with how steady it keeps the water temperature. The dual temperature control works great — I can toggle between °C and °F easily, and the LED display is bright and clear. One of the best things is the safety features: there’s a water sensor that shuts the heater off if it’s not fully submerged, and it also cuts out if it overheats, which gives me peace of mind when I’m away. According to the manual, those features help protect both the heater and my fish. m.media-amazon.com +1 It also heats up pretty fast, thanks to the nickel-chromium heating core. reviewaqua.com +1 The casing feels solid — explosion-proof quartz glass — and the suction cups hold it firmly to the tank wall. reviewaqua.com +1 If I had to nitpick, the controller wires are a little short, so positioning the heater just right takes a bit of thought. But overall, it’s a reliable, high-performing heater for a great price — exactly what I was looking for.
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Reviewed in the United States on November 20, 2025 by Amazon Customer Amazon Customer
Size: 50W
I currently use seven of these heaters in various freshwater aquariums (three 50W, two 200W, and two 500W models). Performance & Reliability: While I've only had them for a few months, they've been consistently reliable and accurate in temperature regulation. In one of my tanks, I have two of these heaters, each on a separate external temperature controller (heater set at 80°F with secondary thermostat at 74°F), creating excellent redundancy. This arrangement provides complete fault tolerance - the tank would only overheat if both the heater and its corresponding thermostat failed simultaneously, and would only drop to room temperature if both heating systems failed together. Despite being power-cycled multiple times daily through this setup, the heaters maintain their setpoints and continue to function flawlessly. Design Improvements vs. standard heaters: These should theoretically outlast traditional heaters for two reasons: -They use thermocouples instead of bimetallic strip thermostats, which are less prone to wear -The control logic is located outside the water in a pod on the cord, reducing water exposure to electronics Installation Consideration: The only potential issue is that the heater is permanently attached to the temperature controller. This means the thinnest part of the assembly is actually the heater itself. For tanks requiring the power cord to pass through a small opening (like my euro-braced tank which does not use a conventional lid), you'll need an opening large enough for the entire heater assembly to pass through. Additional Features: They include an extra suction cup, which is a thoughtful touch. **General Aquarium Advice:** For any aquarium setup, I strongly recommend using two smaller heaters rather than one large one. This provides limited fault tolerance without introducing the complexity of my external thermostat setup. If a heater sticks on, being lower-wattage, it will take longer to overheat the tank, and if a heater sticks off the other will still provide some heat. I wouldn't trust any brand of heater without at least this level of redundancy. Bottom Line: Highly recommended based on my experience so far. These heaters deliver on the essentials with some smart design improvements over traditional models.
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Reviewed in the United States on May 5, 2025 by Siorus
Size: 300W
Excellent customer service. Our 300w heater started to malfunction a few days before the year mark and I emailed the manufacturer to see if it could be replaced still under the warranty. They responded quickly and gave me instructions on what to do to obtain a replacement. The process was quick and easy, I received my replacement heater today. I’m glad I was able to receive a replacement because we love this water heater and how well it heats up the water for our fish. It’s very easy to use and constantly monitors the temperature of the tank.
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Reviewed in the United States on November 29, 2025 by Dayzh
Size: 500W
Purchased the 500w for my 75gal tank. Has been working wonderful. However only fault I've found is the suction cups have corroded after only 6months, now need to find replacement suction cups.
Reviewed in the United States on November 17, 2025 by Courtney Watson
Size: 100W
This works great. I highly recommend. I had a 2.5 gallon tank and the thermometer showed this was right on and when I got my 10G tank same thing. This is very accurate.
Reviewed in the United States on February 7, 2026 by MMB