The SunSun JRB-230 is a 300 W submersible aquarium heater designed to help maintain a stable water temperature in a suitably sized aquarium. Select heater wattage based on actual water volume, room temperature and the temperature rise required.

Benefits

• 300 W heating output.
• Submersible heater format for aquarium installation.
• Suitable for use in a properly sized freshwater or marine aquarium only if confirmed by the product label.

How to use

Follow the manufacturer’s installation and immersion instructions. Position where water circulates, monitor temperature with a separate thermometer and unplug before removing the heater or performing maintenance. Never operate out of water.

Compatibility

Model: JRB-230, 300 W. The product record does not specify a verified tank-volume range; confirm suitability and electrical specifications from the heater label before purchase.