Aquarium Heaters Tetra

Tetra® HT Submersible Heater is designed to keep your aquatic fish comfortable, with an electronic thermostat that automatically maintains a consistent water temperature of 78 degrees and prevents overheating, extending heater life. An indicator light lets you know when the water is heating (red light) and when it reaches the proper temperature (green light). Inside, silicon carbide crystals improve heat distribution and transfer. The strong glass tube is heat and shock resistant. This submersible heater is easy to use – just attach to the inside of the aquarium wall using the suction cup (included) in an area with good water circulation. The Tetra HT Submersible Heater is available in different wat…

Provide your underwater buddies with the warmth they with the Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat. This low voltage thermostat maintains water at 78 degree F without any adjustments and features red/green indicator lights to let you know when the heater is heating or on standby. The heater is also fully submersible and can be installed vertically or horizontally. For use with 40-55-gallon aquariums, Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat makes sure your tank is always at a comfortable temperature.

Provide your underwater buddies with the warmth they with the Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat. This low voltage thermostat maintains water at 78 degree F without any adjustments and features red/green indicator lights to let you know when the heater is heating or on standby. The heater is also fully submersible and can be installed vertically or horizontally. For use with 30-40-gallon aquariums, Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat makes sure your tank is always at a comfortable temperature.