VIVOSUN Submersible Aquarium Heater


50W/100W/200W/300W/400W/500W Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller

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  • Precise Temperature Control: An intelligent IC chip controls the heater temperature, making the temperature difference within ±1℃/±2ºF; Provide the best living environment for your aquatic creatures
  • Safety Guarantee: Made with IP68, the highest waterproof level; and a titanium tube material that features explosion-proof and anti-corrosion engineering, which makes this submersible heater more resistant to damage while heating better than traditional glass heaters; Built with overheat and water shortage protection
  • External Temperature Controller: The touch-button controller adjusts the temperature without getting your hands wet; It’s easy to control the temp from 68℉/20°C to 94℉/34°C; Check the size chart to find your desired fish tank heater
  • Easy to Setup: 400W submersible heater is suitable for 36.9 to 87.2 gallons aquariums; Vertical or horizontal installation and ensure the device is fully submerged underwater
  • Wide Compatibility: The fish tank aquarium heater has CE, FCC and ROHS certification and the plug has a UL certification; Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic system

Provide the animals in the tank with the temperature that suits them

VIVOSUN submersible aquarium heaters are more efficient, and the heating unit is completely submerged in the water, providing more consistent heating to the aquarium.


  • Both internal and external thermolator available for easy operation
  • Adjustable temperature from 20 to 34 °C. Maintain constant and stable temperature for your aquatic creatures
  • Anti flaming heater cover can prevent fish from going too close to the heater
  • Double sensing probes on the top of the heater provide more precise induction
  • It can ensure the temperature constant at the set point as it can adjust heating power if there is any water temperature variation
  • For use in fresh and saltwater


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