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HMH 500 Watt Titanium Heater with Digital Display & Remote Sensor
The HMH heater series uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from a sensor in the heater tube. The internal sensor contains no bimetallic contacts to arc, corrode or wear out. This allows HMH heaters to have precise control, keeping the water temperature stable while avoiding wide temperature swings found with low-quality aquarium heaters. The controller displays the current temperature, allowing you to easily make temperature adjustments on the front panel. Temperature can be adjusted by a tenth of a degree.
The internal sensor functions as an automatic power cut-off switch. If the water level drops too low and exposes the heater tube to the air, power to the heater is turned off. This prevents over-heating of the aquarium, saving your prized aquarium life from harm. The heater is constructed of corrosion-resistant titanium, making it safe for freshwater and marine aquariums. The heater tube is virtually unbreakable and features a protective heater guard to prevent aquatic life from accidentally coming in contact with the heating tube.