Hygger 007 Newly Quartz Submersible Aquarium Heater
$39.99
Dry Run Shut-off Protection
When the heating rod is exposed to air, the heater will stop working, then sound E1 error code alarm and turn the blue light on.
Solution: Unplug and place the heating rod fully in water.


Overheat Protection
When the water temperature is over 95°F, the heater will stop working, then sound HH error code alarm and turn the blue light on.
Solution: Unplug and wait for the heating rod to cool down to the normal temp.
Power-off Memory Function
When the heater is powered off and then restarted, it keeps the last set temp.
