1. The heater should be immersed into water completely.
2. It starts to work if the actual temperature value is lower than the settled value, unless it doesn't work.
3. DO NOT power on until the heater is completely submerged in the water.
1*300w aquarium heater.
18-month warranty. Any questions you have, please don't hesitate to contact us. We will get you back within 24hours.
Zacro AH352 Submersible Aquarium Heater is an upgraded version which can control and adjust the temperature automatically.
Provides Accurate Thermal Control. Use the inner temperature controller on the top to set and adjust the desired temperature.
Safety Protection --- This aquarium heater can automatically control the temperature
High efficiency heating performance: adapt the heat pipe which is high heat transfer efficiency; it also adapt precision sensor probe which can control the error within 33.8°F. High temperature resistant flame retardant, high efficiency, fast heat transfer and long service life.
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