Product Features
- Submersible heater with adjustable external controller
- Bracket mount, LED control, temperature/power display
- Built-in thermometer
- Accurately temp control, smart chip heater, ±0.1°F accurate
- Intelligent quartz heater auto shut-off protection avoids overheating & dry-run
- Memory function
Overheating & Out of Water Protection
The hygger submersible heater’s temperature adjustable range is 59℉-93℉. It automatically shuts off and stops heating when the water temperature exceeds 94°F. An error code will be displayed, and an alarm will sound until the water temperature is below 94°F. If the tank water drops below the minimum, the heater will automatically shut off and restart until fully submerged. Multiple heaters protect the aquarium’s inhabitants.
Digital LED Controller
The included bracket allows you to mount the controller on the edge of the tank and adjust the temperature conveniently. This quartz aquarium heater is very easy to operate.
The LED controller displays the current water temperature, preset temperature, working power, and low/high temperature/auto shut-off warning signs. The digital display lets you easily check the water temperature, working performance, and alarms. Just press the SET button once to set the temperature. As a result of overheating protection, the “Low” light will flash when the water temperature is below 59°F.
More Precise Heating Temperature
hygger upgraded the heater with a smart chip that set the temperature to within 1°F. The accuracy of temperature control is even ±0.1 °F. The heater will stop heating When the water reaches the set temperature.
High-Efficiency Explosion-proof
The hygger 043 aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. It heats water faster, safer, and longer-lasting. The heater guard is made of high-quality PC plastic and safely protects the fish tank residents.
Anti-dry Function
The quartz heater switches off automatically when lifted 5 cm from the water. The thermostat emits an alarm, and the “auto shut off” flashes; operation is resumed when it returns.
Directions for Use
Error code: HH-high temp; LL-low temp.
Tips for Using
How to install hygger 043 Submersible Double Quartz Heater?
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Purchase 300w for my tall tropical tank 65gallons, works great! The external temperature control is awesome and very accurate. It also heats up very quickly, keeping my fish tank at 78 degrees for a long time