The Complete Guide to Choosing the Best Aquarium Heater Controller

🐠【For Fish Tank 60-120 Gallon】voltage 110-120V, power 500W, heater rod length 12.3inch. The heater and controller power cords are the same length 5.5ft, the thermometer cord is 4.4ft. There are mounting holes on the temp controller back for hanging on the wall

🐠【Fully Automatic Control】very easy and reliable to use. After well installing the aquarium heater and the thermometer, you just need to set the desired heating temp, it will stop heating when the water temp reaches to the set temp, it will automatically restart heating when the water temp is 1℉ less than the set temp. The controller has temp setting remember function

🐠【Durable Titanium Tube】this seawater resistant titanium aquarium heater is good for use in salt water and fresh water, service life can be 3 years or more. Very compact small, easy to hide in the tank. Don't suggest to use it in sump. The diameter of the titanium tube is19mm, you can buy suction cups suitable for this size when you need to get that replaced.

🐠【Digital LED Display】the IC temp controller can show the water temp and set temp at the same time, and there is a indicator light to show the heating status. You can press the 'up' key to shift degree unit between Celsius and Fahrenheit

🐠【Wide Temperature Range】With the thermostat controller you can set the temp from 32℉to 104℉, control precision is 1℉, please set the right temp for your aquarium pets. The separate thermometer can detect a temperature from -68℉ to 140℉, the measurement accuracy is 0.2℉ plus or minus, very sensitive

【External Digital Display Controller】With its easy-to-use LED digital screen simultaneously displays the set temperature and the current aquarium temperature. You’ll be able to set temperature up in a healthy range of 59 to 93°F with button and monitor how well the heater is doing its job in real-time.

【Double Tubes Heating Element】Featuring shatterproof quartz glass tube + nickel-chromium heating wire for fast, steady, more evenly distributing heat. With a PC plastic guard to protects your fish touch it they won’t get burnt.

【Running-Dry Shut Off Protection】This is a completely submersible heater that will stop working when exposed to air and display error code "E1", which resets itself to resume working when placed back into the water.

【Overheating Protection】This fish tank heater automatically turns off and displayed “HH” error code once the water temperature reaches 95°F. Until it drops to the set temp. Accurate temperature controls within 1°F difference.

【Works in both Freshwater and Saltwater Tank】The 800 watt aquarium heater can be used to heat for a 80-190 gallon aquarium. The package included two suction cups that easily installed vertically or horizontally underwater below 5 inch.

🐠1000 WATTS AQUARIUM HEATER - 1000W aquarium heater is suitable for 130 to 160 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart

🐠OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp; LL-low temp; AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!

🐠DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy：±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!

🐠EFFICIENT AND EXPLOSION PROOF - The aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. This results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns

🐠COMPLETE ACCESSORIES AND WARRANTY - This aquarium heater comes with accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. It offers 12 months warranty.

💦💦【Heating and Cooling】Controls both a heating and cooling/refrigeration device at the same time. This controller can also be used to easily control a single heating or cooling device.

💦💦【Applicable Scene】Because it has the powerful function of corrosion protection, it is very suitable for fresh water, sea water aquarium, coral cylinder, ornamental shrimp and tropical fish.

💦💦【Dual Display Window】Easy to set up,be able to display measured temperature and set temperature at the same time.Provides a temperature display of Celsius or Fahrenheit.

💦💦【Alarm for Safe】High and low temperature alarms,sensor failure alarm. Maximum output load: 1200W(110V).

💦💦【Term of service】Purchase products and get a one-year warranty.

🔥【150W Small Submersible Heater】Suitable for 10-21 gallon fish tank,Temperature Control Range 59℉-93℉,When the temperature is lower than the set value 1℉, the heater will automatically heat up, and it will automatically stop heating when the set temperature is reached.

🔥【External Controller and Built-in Thermometer】Fish tank heater with a built-in thermometer,display water temperature of the fish tank in real time,HD LED display,The red light when heating, red light off when the temperature is constant, and display error code when the heater fault.The controller is not waterproof, please do not put it into water.

🔥【Easy To Use】Set temperature by press the button until reach your desired temperature value.The display will flash the desired temperature value three times, then return displaying the current water temperature.Your setting is done.You can press the button persistently to display 59-93℉ in a cycle.

🔥【Protects Dry Burn Control System，Safe And Reliable】Adopt advanced explosion-proof quartz heating tube,anti-dry burning system and overtemperature etc double protection,more safer.When the heater tube running dry,the display shows “Er”,auto stop heating.When the water temperature exceeds 95℉, the controller displays "EE",auto stop heating.

🔥【Small And Exquisite,High-quality Materials】Small shape is ideal for small aquarium tanks,Made of premium material and with scientific design.The special plastic shell can effectively isolate part of the temperature and prevent scalding fish.Suitable for freshwater and saltwater.AQQA has a one-year warranty. Please feel free to contact.

🐟HITOP Mini size aquarium heater 50W with controller, suitable for seawater and freshwater heating, betta fish and turtle tanks and other small fish tanks or fish bowl 5-15 gallon.

🐟Easy to operate: This fish tank heater is easy to use, 6Ft long cable wire and the external controller can easily set the temperature, and the temperature adjustment range is 68-93℉.

🐟Easy to read temperature: The controller of this heater has Digital LED temperature display, which can display the real-time water temp and set temp, so that you can know the temperature changes in the fish tank easily. There is also a clear heating indicator on it.

🐟Fish-friendly: This aquarium heater is made of thickened quartz glass, and has good sealing performance to prevent water from entering, making it a more fish-friendly heater.

🐟Package: Comes with two suction cups, a bottom cover, and a sticker-thermometer. Please check the product carefully before using it, we provide a 12-month warranty for this product.

🐬 HITOP 200W Aquarium PTC Heater with Controller, Simple design, space-saving, suitable for 30-70 Gallon fish tanks and turtle tanks, can be used in seawater and freshwater.

🐬 Ceramics PTC Heating material: PTC means positive temperature coefficient, as a heating material of aquarium heaters, has the advantages of high heating efficiency, long service life and safer. And it is anti-impact, so don't worry about breakage.

🐬 Digital controller: This external temperature controller can display the set temperature and the current temperature of the water, which is easy to read. Press the external setting button to conveniently set the temperature. And the temperature display can be converted between ℃ and ℉. The temperature setting range is 68-93 ℉.

🐬 Removable protective cover: The protective cover of this fish tank heater can be easily removed, which is convenient for cleaning, especially when the tank is dirty, it is very important to clean the heater regularly. Moreover, this protective cover can also prevent impact and burn, which is safer for aquarium pets.

🐬 Easy to install: This turtle heater is equipped with a 1.8M long power cord, and 5 suction cups, which allows the heater to be firmly installed anywhere in the aquarium. We provide 12 months warranty.

【Super Mini Size, 50Watt for 3-10 Gallons】 YukiHalu 50W aquarium heater is designed for 3-10 gallons mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.

【Automatic Constant Temperature with 1℉Accuracy】Thanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1℉. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this 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 Temperature Sensor, 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 temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off.

🐠🐠 [Dual Protection] The aquarium temperature controller is equipped with 2 relays to ensure that the power can be turned off under any circumstances, this will protect your fish from being hurt by overheated water. (US Socket Only)

🐠🐠[Two Probes] Your fish might be in danger as it is hard to know the probe is broken immediately if the temperature controller has only 1 probe. The dual probe aquarium temperature controller will alarm if the temperature difference between 2 probes is bigger than 3℃/5℉, and the INKBIRD app will push a notification at the same time.

🐠🐠 [Continuous Heating Alarm] The heating time can be set according to your needs from 1 hour to 72 hours, the controller will alarm if water can not be heated to the setting temperature within the specified time. The temperature setting range is 20.0℃~35.0℃/68.0℉~95.0℉ and the detectable temperature range is -40℃~100℃/-40℉~212℉.

🐠🐠[Plug and Play] The 1100w high-power aquarium temperature controller is compatible with most kinds of heaters, you don’t need to assemble the product yourself, just plug and play.

🐠🐠[APP Notification] Pair the aquarium temperature controller with your phone via 2.4GHz Wi-Fi, the device will alarm if there are exceptions. And all exceptions will be updated to the INKBIRD APP, the INKBIRD app will push notifications to remind you.

Finnex Aquarium Heater Controller

Dual Relay Over Heating Protection

Suitable for all heating elements up to 800 Watts

Controller Only. Heating Elements Sold Separately.