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Item #:
184486729
Aquarium Heater, 500W Submersible Fish Tank Heater with External Digital Temperature Controller, LED Display, Over-Temperature Protection, for
89% of respondents would recommend this to a friend
Item #:
184486729
TMT 194
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
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Imported from UK store
QTY:
Order now and get it around Saturday, September 19
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Transform your aquarium into the perfect habitat with this powerful 500W submersible heater.
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What Stands Out
Precise Temperature Control
The external digital controller allows for accurate temperature settings, ensuring optimal conditions for aquatic life, preventing stress and promoting health across various fish species.
Safety Features
Equipped with over-temperature protection, this heater prevents overheating, providing peace of mind for tank caregivers and safeguarding aquatic environments from thermal shock.
Versatile Usage
Designed for both freshwater and saltwater tanks, the 500W heater caters to a variety of aquatic species, including tropical fish and turtles, enhancing its appeal to a broad audience.
Product Details
- 🐠【500W Fast Heating】Our 500W Aquarium Heater is made of high quality quartz tubes and high temperature resistant nickel-chromium heating wire with excellent thermal conductivity, which can provide fast and stable heating, more energy-saving and efficient. The temperature adjustment range is 15-34℃, which greatly meets the temperature demand of different ornamental fish. Equipped with powerful suction cups, suitable for 250L-500L tropical fish tanks, aquarium tanks, betta fish tanks, turtle tanks and so on.
- 🐠【LED Digital Display & Precise Temperature Control】The aquarium heater is equipped with a LED digital display, so you can clearly see the real-time water temperature even in the dark. No need for an extra thermometer. With an external temperature controller, it is convenient to adjust the temperature without putting your hand in the fish tank water to avoid being burned by the heater, very safe. It supports Fahrenheit and Celsius readings, which can be switched by pressing and holding the setting button for 3-5s.
- 🐠【Intelligent Constant Temperature】This aquarium heater has an intelligent constant temp system to ensure consistent water temperature. When the heater reaches the set temp , it will automatically stop heating; when the water temp is lower than the set temperature, the heater will automatically heat up. The gradual increase in temp prevents the fish from being uncomfortable due to rapid temp changes, providing a stable environment for your aquatic pets while saving energy. Your pets will no longer be fear of cold winter.
- 🐠【Anti-Dry Burn Protection & Over Temperature Protection】Our updated aquarium heaters have added self-protection features over regular heaters. When the heater is not fully immersed in the water or there is a dry burn, it will automatically shut off; when the water temperature exceeds 34℃ (93℉), the heater will automatically turn off the power to ensure maximum safety for you and your aquatic creatures, just as we do for our own safety. Provide the best habitat for your cherished betta fish.
- 🐠【Explosion Proof Quartz Glass】This aquarium heater is made of explosion-proof quartz glass material, which is high temperature resistant, shatterproof and long-lasting. Sturdy protective cover made of high temperature resistant ABS material can protect your beloved fish from scalding, removable design is easy to clean. NOTE: Before turning on the power, please make sure the heater is fully immersed in water and install it near the water flow area to prevent uneven heating.
- 🐠【Widely Used】This 500W aquarium heater is versatile, suitable for both freshwater and saltwater, can accommodate a wide range of aquatic life. Ideal for tropical fish, neon tetra, guppy, angelfish, goldfish, prati, betta fish and sea turtles, they can also be used for heating pet drinking water, assisting with plant hydroponics and various other heating requirements. They are also suitable for fish tanks, aquariums and small fish ponds where aquatic life is kept.
- 🐠【Easy to Install & Maintain】This aquarium heater features two sturdy suction cups, allowing it to be secured horizontally or vertically to the glass aquarium; please ensure it is fully submerged in water. The 2.3-metre cable and external controller make it easy to set the temperature. The smart memory function restores the temperature to your last setting after a power cut, making it convenient to unplug and change the water. Please clean the heater regularly and do not bury it in sand or soil.
Product Technical Details
| Product Dimensions | 27.5 x 4.5 x 3.4 cm; 550 g |
| Item model number | HC-500W |
| Colour | 500W |
| Size | 27.5*4.5*3.4 cm |
| Quantity | 1 |
| Specific Uses | Saltwater Freshwater Tropical Fish Turtle |
| Batteries required | No |
| EU Energy Efficiency Label | A |
| Item Weight | 550 g |
| Date First Available | 28 Aug. 2025 |
Who Should Buy?
-
Large Aquariums
Ideal for tanks between 250L-500L needing consistent heating for tropical fish or turtles.
-
Saltwater Enthusiasts
Suitable for saltwater tanks requiring stable temperatures for healthy marine life.
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Temperature Monitoring
Offers an external controller with LED display, perfect for users needing precise temperature management.
-
Small Tanks
Not suitable for tanks smaller than 250L as it may lead to overheating and unsafe conditions.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What size aquariums is this heater suitable for?
Answer: This heater is suitable for aquariums ranging from 250L to 500L. -
Question:
Does the heater provide protection against overheating?
Answer: Yes, the heater is equipped with over-temperature protection to ensure the safety of your fish. -
Question:
How do I monitor the temperature?
Answer: The heater features an LED digital display that allows for easy monitoring of the real-time water temperature.
Dumenix Aquarium Heaters HC-500W Editorial Review
The 500W Submersible Aquarium Heater has garnered positive feedback from users, particularly for its effective heating capabilities in larger tanks and ponds. Customers have noted its precise temperature control and the significant impact it has on the health and activity of fish—even in colder conditions, like a 500-liter pond with air temperatures dipping to 3 degrees Celsius. The heater allows for optimal conditions that keep fish active and thriving, proving to be a lifesaver in maintaining their wellbeing. The external digital temperature controller and LED display have received praise for being user-friendly, making it easy for owners to monitor and adjust the settings. Despite some confusion regarding its actual power draw, which slightly surpasses the rated output, users have found this minor detail to be inConsequential when weighed against the heater's performance. The product's durability has also been highlighted, suggesting it’s built to withstand regular use. Overall, this product has become a reliable option for aquarium and pond owners looking to maintain a stable and warm environment for their aquatic pets. Its effectiveness, ease of use, and overall value have led to high customer satisfaction and recommendations. **
Customer Reviews & Ratings
25 customers ratings
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5 Star
91%
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4 Star
3%
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3 Star
6%
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2 Star
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Pros
- Accurate temperature control.
- Significant improvement in fish health and activity.
- Easy-to-read external digital display.
- Durable Construction.
- Good value for money.
- Quick setup and operation.
Cons
- Draws 545W instead of the rated 500W.
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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25 August 2026 · via Trustpilot
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Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Important information
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TMT 194
Order now and get it around Saturday, September 19
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Powerful 500W submersible heater for aquariums.
- Features external digital temperature controller with LED display.
- Suitable for 250L to 500L tanks, both saltwater and freshwater.
- Equipped with over-temperature protection for aquatic safety.
- Intelligent constant temperature system for energy efficiency.
- Quick and easy temperature adjustments without reaching into the tank.
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