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Cobalt Accu Therm Submersible Heater

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Cobalt Accu Therm Submersible Heater


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Product Summary:

Cobalt Accu Therm Submersible Heater

The Cobalt Accu Therm Submersible Heater has a tube that is made of Borosilicate glass for optimum heat and is shock resistant. It surrounds a high quality ceramic heat radiator that ensures even heat distribution. The heater is accurate up to ±2°F and is fully submersible and is easy to set. It has an ON/OFF indicator light that is Triac equipped that turns the heater on and off. The magnetic contacts ensure contact and release of the thermostat switch whenever it is required. These features extend the life and reliability of the heater. This heater is perfect for fresh water as well as saltwater aquariums.

Product Features:

  • This heater distributes heat evenly
  • The heater performs quite accurately up to ±2 degree F
  • The heater is fully submersible
  • It is perfect for fresh water and salt water aquariums
  • It has an ON/OFF indicator for easy reference


Item Specifications:


Aquarium Size:

25W - 6 Gallon

50W - 12 Gallon

75W - 20 Gallon

100W - 29 Gallon

150W -40 Gallon

200W - 55 Gallon

250W - 70 Gallon

300W - 80 Gallon



25W - 25 Watt

50W - 50 Watt

75W - 75 Watt

100W - 100 Watt

150W - 150 Watt

200W - 200 Watt

250W - 250 Watt

300W - 300 Watt

Style Item Number Model Number UPC
25 Watt 721721 25W ACI31010 847852002147
50 Watt 721721 50W ACI31011 847852002154
75 Watt 721721 75W ACI31012 847852002161
100 Watt 721721 100W ACI31013 847852002178
150 Watt 721721 150W ACI31014 847852002185
200 Watt 721721 200W ACI31015 847852002192
250 Watt 721721 250W ACI31016 847852002208
300 Watt 721721 300W ACI31017 847852002215
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