Top 8 Best Submersible Aquarium Heater

All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached.. The HT10 uses a built in electronic theromstat to automatically maintain water at 78 F which is ideal for most tropical fish. No adjustment is requried.. Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies. The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other dcor.. Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium..

200W aquarium heater is suitable for 30 to 40 gallons aquariums,Length - 11,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.. It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals.. Explosion Proof 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.. Precise temperature dial from 68 to 89 F allows for complete control of aquatic climate within a 1-degree difference.. Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached..

Modern Aesthetic M-Series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, these heaters are a welcome departure from traditional, bulkier designs.. Reflective Design This heater is encompassed in a heat-and-shock resistant reflective Borosilicate glass tube, which allows it to reflect the surrounding aquarium colors, allowing it to blend in with the environment and enhance overall aesthetics.. Temperature Control Computer-calibrated thermostat has an easy-to-adjust temperature control dial and an onoff blue indicator light to display when its in use.. Slim Profile Ultra slim design allows for easy installation in your aquarium tank.. Recommended Size M50 underwater heater is ideal for freshwater and saltwater aquariums up to 15 gallons. Each M-Series heater comes with a 3-year limited warranty..

Preset to 78 degree, accurate to plus- 1 degree. No adjustment required. Shatter resistant. Fully submersible, auto shut-off when overheats, resets when cools down. LED light turns on when aquarium water is being heated. Ideal for aquariums up to 30 gallons.

This 200 watt heater is for aquariums up to 55 gallons. Adjustable temperature dial allows you to set the temperature 1 degree with every click.. Thermal Switch automatically turns off as temperature rises above an internal preset and turns back on once it cools down.. The advanced heating element contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability. Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display. Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location..

Temperature range 59F94F, display Fahrenheit F, this heater is designed for110 gallons tank. Upgrade function The heater will auto shut off when it is out of water and turn normal when fully in water again.. Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.. Touch button, cyclic adjust temperature , easy to use and Safety.. Notethis heater is 100 submersible use only, during its heating time, heater must be 100 submerged into the water.. SATISFACTION GUARANTEEDGain the confidence to go hard with us Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service..

Auto Shut Off Automatic overheat system will shuts the unit off when the water temperature over 95F. Running dry protection will shut off unit when the heater rod out of water. The power cord 6.3 feet in length and is UL listed.. Adjust the Temperature to Your Needs Equipped with an Intelligent IC temp controller, which will turn the heater off when it reaches a preset temperature and turn the heater back on when the temperature dips below the setting. Adjust the setting of temperature from 59 to 93 to keep aquarium proper temperature.. At-a-Glance Temperature Monitoring Controller Build in LED temp controller shows both set temperature and real time water temperature . Red indicator light turns on when heating and turns blue in the situation reached set temp or failure alarm. It can be accurate enough to keep temperatures with - 1 degrees.. Shatter Resistant, Efficient The 100w fish tank heater with shatter-resistant quartz glass heating element uses a nickel-chromium heating wire that provides faster and more efficient heating. Fish heater guard is made of high-temperature PC plastic and to protects your fish getting burn. It also has two-hole slots on the back make it easy for installation to walls by suction cups.. Fully Submersible HeaterIt needs set up either vertically or horizontally underwater at least 5 inches for proper function. Suitable for marine and freshwater tank with a volume of between 10 and 25 gallons. Memory function it remembers the temperature you set it when the power fails..