Tetra HT300 Aquarium Heater


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Reliable precise and easytouse aquarium heaters.

Tropical freshwater and marine fish require a stable temperature of around 2427C in order to remain healthy and in good condition. The TetraTec HT range of heaters maintain a constant temperature via an inbuilt thermostat making it easy to provide the correct conditions.

Easytoset temperature control allows adjustments of 0.5C within range of 20C 32C 1.6 m mains cable for easy fitting Safet ShutOff turns heater off if accidently run dry Can be fully submerged and positioned horizontally Electronic regulator for extra relability and safety Extra thick heatresistant borosilicate glass for peace of mind TUVGS tested safety and reliability assured


Simply attach your TetraTec heater to the side of the aquarium using the enclosed rubber suckers. The heater must be fully submerged. Then set the temperature dial to the desired setting and turn on the power. The indicator light will illuminate when the heater is in operation. Always read the instructions carefully before use.


Power Consumption

Size of Aquarium


50 W

25 60 litres


100 W

100 150 litres


150 W

150 225 litres


200 W

225 300 litres


300 W

300 450 litres

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