Get precise control of your aquarium temperature with the Precision Submersible Heater. This Heater combines an adjustable temperature dial, a high visibility temperature display and an advanced heating element to keep your aquarium water at the optimal temperature for your freshwater or saltwater fish. The Precision heater also includes a thermal switch which will turn off once it rises above an internal pre-set temperature, and turns back on once it cools down, making your aquarium safer for you and your fish. This 400 watt heater is designed for aquariums up to 125 gallons.

• This 400 watt heater is for aquariums up to 125 gallons. Adjustable temperature dial allows you to set the temperature 1 degree with every click
• Thermal Switch automatically turns off as temperature rises above an internal preset and turns back on once it cools down
• The advanced heating element contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability
• Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display
• Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location