Hygger Dual Digital Display Aquarium Heater

Safe to use with a protection mechanism

This hygger aquarium heater maintains the proper temperature for your fish safely, auto shuts off when over-heats, and resets when it cools down. The heater will shut off when removed from the water and resume functioning upon return.

Over-heat Protection

This aquarium heater has over-heat protection to help maintain the proper temperature for your aquarium safely, it will auto-shut off when it overheats, and reset when it cools down. The hygger 969 heaters will shut off when removed from the water, and resume functioning upon return.

Energy-saving

The 500-watt heater heats your aquarium at full speed once it is plugged in. You can see Max on the screen. When it reaches the proper temp, it stops. Once the water temp drops 1 degree or so, the heater heats up again at low energy to keep the proper temp. You can see ECO on the temperature controller screen. In this way, the heater saves energy greatly.

Easy to set temperature

You can set the tank temperature without getting your hands wet. Just keep pushing the button on the controller. It will cycle through all the set temperatures. You can precisely Adjust the temperature from 20°C to 34°C, and the electronic thermostat is accurate to ±1°C. 

Shatterproof & Corrosion resistant

Corrosion-resistant and shatterproof titanium tubes construct heat fast, nearly unbreakable for freshwater aquariums only. An ABS plastic protective sleeve prevents fish from being scalded.

Directions for Use

How to Set Temperature?

Step 1: Place the aquarium heater rod underwater and fix it on the wall.
Step 2: Plug it in, and you can see an LED digital number flashing 3 times that shows the current water temperature with red indicator lights on.
Step 3: Press the Set button to set your desired temperature, which will blink for 3 seconds.
Step 4: Start to heat the water. Once it reaches the desired temperature, the indicator light will switch to green.

Useful Tips

1. Make sure that the heater doesnt touch sand or gravel on the tank bottom.
2. To avoid the device overheating and ensure its better performance, its better to put it close to the tank filter.
3. Dont plug in the heater if its not completely drowned in the water.
4. Unplug the heater first before the water change.