AQQA Submersible Quartz Aquarium Heater

Explosion-Proof Quartz Glass Aquarium Heater – Durable & Safer Design

Constructed with high-temperature resistant nickel-chromium heating wire and silicon carbide heat conduction technology, this heater delivers fast, efficient, and long-lasting water heating performance. It can heat water at a rate of 1°C per 2 hours. The outer shell is made from high-temperature resistant PC material, providing effective protection against accidental scalding for your fish.

Temperature Range: 20°C to 34°C
The built-in thermometer continuously monitors water temperature. When the water temperature drops 1°C below the set value, the heater automatically activates. Once the desired temperature is reached, it stops heating to maintain a stable environment. Press and hold the control button for 5 seconds to switch between Celsius and Fahrenheit display modes.

LED External Controller with Indicator Light
The upper display shows the current water temperature, while the lower display shows the set temperature.

• Red light: Heating in progress
• Blue light: Temperature has reached and is being maintained
• Flashing blue light: Heater is not fully submerged

Please note: the controller is not waterproof and must be kept away from water.

Dry-Burn Protection System
If the heater rises 5 cm above the water surface, it will automatically shut off and display “E1” on the controller. Once fully submerged again, it resumes normal operation without the need for manual reset or unplugging. The built-in memory function ensures your temperature settings are retained during power outages, providing peace of mind when you are away from home.

Adjustable Mounting Hook – Flexible Installation
A detachable hook on the back of the controller allows for easy mounting on the aquarium. The hook is adjustable to fit different glass thicknesses, ensuring a secure and stable installation.