Heaters have built-in temperature sensors which automatically cuts the power to the heater if it accidentally comes in contact with air. Maintains water temperature within +/-2F of the set value providing a safe, healthy, and stable temperature for your tank.

• Maintains water temperature within +/-2º F of the setting value
• Corrosion-resistant, virtually unbreakable, fast heating titanium tube
• Easy-to-hide ultra compact size
• Precise electronic control with transparent design
• HMT-300 features easy access “hang-on controller’ design

Heaters have built-in temperature sensors which automatically cuts the power to the heater if it accidentally comes in contact with air. Maintains water temperature within +/-2ºF of the set value providing a safe, healthy, and stable temperature for your tank.