Top Aquarium Heater Controller

Finnex HC-820M Digital Controller, 3-Digit Display and Control, Calibration Capable, Audio Alert, Precision Accuracy, Black

  • Finnex Digital HC-820M Digital Aquarium Heater Controller.
  • 3-Digit Display and Control, 1/10th Degree Calibration Capable, Precision Accuracy.
  • Fish Tank Aquarium Controller Only. Heater Sold Separately..
  • TDS: Must be used with water TDS readings of 150ppm+.
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YOFOTHS Aquarium Heater 25W/50W/100W/200W, Small Fish Tank Heater, Temperature Adjustable Mini Tank Heater for 1/5/10/20/30/40 Gallon, External Temperature Controller (50W(3-10Gallon))

  • ...se and Constant Temperature】An intelligent IC chip controls the heater’s temperature. The temperature accuracy is 1℉. The fish heater will automatically start heating when the water temperature is lower than the set values and stop heating when the water temperature reaches the target..
  • 【External Temperature Controller】Adjust the temperature from 64℉ to 93℉, This submersible heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient and safe for you to set the temperature, No need to put your hands in the water to adjust the Aquarium Heater temperature..
  • 【Prevent for Over Heating and Out of Water Protection】 The heater will cut off power and stop heating automatically when the fish tank heater is out of water or the water temperature is over 95F. ‘E1’ error code will be shown. The function recovered when the heater is 100% immersed in water or the water temperature goes down to below 93℉..
  • 【Notice】During its heating time, heater must be 100% immersed into the water. Please unplug the power supply when cleaning the fish tank or aquarium water changes. Heater rod is suitable for people over 16 years of age. Children or minors should be under adult guidance or supervision....
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FREESEA Aquarium Fish Tank Heater 75 Watt Mini Submersible Water Heater with Digital Temperature Display - Adjustable External Controller for Betta | Turtle | Goldfish | 5-15 Gallon

  • FREESEA Aquarium Heater: 75w betta fish heater, voltage: 110~120V, is suitable for use in 5-15 gal betta fish turtle tanks and aquariums. The power....
  • Double Safety Protection: When the top part of the turtle tank heater is out of water it will auto shut off. When the actual water temperature is....
  • External Controller: The betta fish heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s....
  • LED Temperature Display: Digital led temperature display shows the real-time temperature and error code on the screen. When the mini aquarium heater....
  • 12-month Warranty: We are committed to providing high quality products and better service with a 12-month warranty. If you have any questions about....
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YukiHalu Submersible Aquarium Heater 100/150/200/300W, Small Size, Overheating Protection, External Temperature Controller, LED Display, Used for 20/30/40/60 Gallons (100Watts)

  • ... is automatically stopped when the set temperature is reached..
  • 【Overheating and lack of water protection】Stop heating automatically if the fish tank lack of water or overheating. Never cook your fish..
  • 【External temperature controller】The temperature can be set by external controller, and the water temperature value is displayed on the LED display without the need for an additional aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off..
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VIVOSUN Aquarium Heater 50W/100W/200W/300W/400W/500W Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller

  • Precise Temperature Control: An intelligent IC chip controls the heater’s temperature, keeping the temperature difference within ±1℃/±2ºF.
  • Titanium Aquarium Heater: Made with IP68, the highest waterproof level, and a titanium tube that features explosion-proof and anti-corrosion....
  • External Temperature Controller: The touch-button controller adjusts the temperature without getting your hands wet.
  • Easy to Setup: The 300W submersible heater is suitable for 31 to 75 gallons aquariums.
  • Install it vertically or horizontally and ensure the device is....
  • Wide Compatibility: The fish tank aquarium heater has CE, FCC, and ROHS certification and the plug has a UL certification.
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hygger Saltwater Tank Titanium Tube Submersible Pinpoint Aquarium Heater with Digital Thermostat, IC Temp Controller 200 Watt

  • [FULLY SUBMERSIBLE]: Our Fish Tank Heater is fully submersible in water HORIZONTALLY with 2 suction cups can be easily mounted on tank. Place it near a strong water flow so that the whole aquarium at the same temperature. Comes with a separate controller where you can easily adjust from low to high without taking out the heater from the aquarium or fish tank..
  • [SHATTERPROOF & ANTICORROSION]: Our Titanium Heater is completely shatterproof as there is NO glass in the construction– it’s made from heavy duty, durable Titanium. As it has a great feature of being anticorrosion, it is perfect for freshwater, saltwater aquariums and reef tanks..
  • [PINPOINT TEMPERATURE]: Build-in external electronic theromstat, it has DUAL LCD display that clearly shows you the temperature setting in either Celsius or Fahrenheit. Up is aquarium temperature and down is set temperature. Heater will stop heating when temperature rise exactly to your desired temp. Heating temperature range 32 to 104°F. Control accuracy is +/- 0.5° C..
  • [AUTOMATED SHUT OFF SYSTEM]: Temperature can be controlled and set to your desired degree of heat. It automatically sets off when it reached the designated temperature of your setting. Voltage: 110V.
  • [TANK CAPACITY]: 200W aquarium heater, 10.7....
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ZHGSERVU Aquarium Heater, 500W Submersible Fish Tank Heater Underwater Turtle Water Warmer for 40-90 Gallon Tank with with Intelligent LED Temperature Display and External Temperature Controller

  • and when the water is not enough or heater be taken out of water, it will turn off automatically.
  • Intelligent LED Digital Temperature Display: The tank heater is convenient to readout the temperature with big LED digital screen, you don’t need to buy extra thermometer.
  • External Temperature Controller: The touch button controller can adjust temperature outside the tank, without getting your hand wet. The submersible heater supplies precise temperature control with intelligent IC chip, from 68℉/20°C to 94℉/34°C, keeping the difference within ±1℃/±2ºF. It can switch between degrees Celsius and Fahrenheit with 5 seconds press.
  • Easy to Setup: The 500W submersible aquarium heater is suitable for 40- to 90 gallons aquariums.
  • it can stick to the tank surface with the suction cups. Install it vertically or horizontally and ensure the device is fully submerged under the water.
  • Wide Compatibility: The underwater fish tank heater has CE, FCC and ROHS certification and the plug has a UL certification.
  • Applicable for aquariums, aquaculture, glass containers, and hydroponic systems..
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YukiHalu Submersible Aquarium Heater, 10W/20W/30W Adjustable Mini Fish Tank Heater, External Temperature Controller, LED Temperature Display, Used for 0.5-1/2/3 Gallons (30 Watts (3 Gallons))

  • 【Overheating protection】The power will be cut off and stop heating automatically if the heater overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty..
  • 【External Temperature Controller】Easy to set and read the temperature through external controller which has built-in temperature sensor, LED display and smart setting memory function. No need to buy other aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off..
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HITOP 600W Titanium Aquarium Heater - Digital Fish Heater with LED Temp Display and External Controller, for Large Fish Tank 75~180Gallon

  • ...hatterproof] The heating element is made of titanium alloy, which is strong and corrosion-resistant compared with other materials, so it is shatterproof and can be used in both freshwater and seawater. The impact-resistant sturdy cover makes this heater very suitable for large fish tanks and turtle tanks..
  • [External controller] No need to take out the heater from the fish tank to set or adjust the temperature, you can operate it through the external controller of this fish tank heater, easy to use. The temperature setting range is 64.0°F~93.0°F (18.0°C~34.0°C)..
  • [Accurate temperature control] With dual probe design, this submersible tank heater can detect the water temperature in time and accurately, and automatically start and stop heating according to the water temperature, error within 1 degree..
  • [Overheating protection device] Built-in additional overheating protection device, when the temperature in the fish tank exceeds 34℃/93℉ the heater will automatically power off immediately to protect your fish from harm. We provide 12 months warranty for this aquarium heater..
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hygger Small Aquarium Betta Heater, Submersible Fish Tahk Heater 10W/25W/50W/100W with LED Digital Display, Suitable for Marine Saltwater and Freshwater up to 5/10/16/26 Gallon

  • ...l aquarium heater is “thumb size” - only 4.1” (10.5cm) in length. Great for nano tanks / betta tanks. The innovative super mini size perfectly solves the headache of the fish keepers on the traditional heaters! Takes up less space, easy to hide, but in full power!.
  • ★LED Digital Display & External Temperature Controller: LED digital display can observe the water temperature in real time.
  • the temperature remote control allows you to avoid wet hands when adjusting the temperature. Note: Please unplug the power when cleaning the fish tank or changing the water in the aquarium..
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hygger 300W Aquarium Heater for Fresh-Water Salt-Water with External Digital Display Thermostat Controller and Thermometer Auto Quartz Submersible Heater for Fish Tank 30-60 Gallon

  • 【Quickly Heat Up】Voltage 110-120V/60HZ, power 300W, US three-pin plug, heater rod length 7.7 inch. Fast heating up aquarium heater, it takes about....
  • 【Auto on and off 】Reliable submersible aquarium heater. It will stop heating when the water temp reaches to the set temp, please note that the....
  • 【Fully Submerged】The heater tube and the separate sensitive thermometer must be completely submerged under water all the time. Please unplug it....
  • 【Led Display Controller】Only show Fahrenheit degrees. To set the temp, just press the button over and over until the screen displaying the temp....
  • 【For long Time Use】Very durable and explosion-proof aquarium heater, can be used for saltwater and freshwater aquariums, service life can be 3....
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YukiHalu Small Submersible Aquarium Heater, Mini Fish Tank Heater 25W 50W 100W 200W with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons (25 Watts)

  • ...new technology will cut down 49% electricity bill for you..
  • 【Overheating Protection, Out of Water Protection】The power will be cut off and stop heating automatically if the heater out of water or overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty..
  • 【External Temperature Controller, Never Wet Your Hands】Use an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Strong suction cups, easy to install..
  • 【Built-in Thermometer, Power-off Memory Function】Dual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other aquarium thermometer. The heater will remember the temperature setting, no need to reset the temperature after power off..
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