Finnex STE Series Titanium Heater

Grouped product items
200 Watt STE Series Titanium Heater

SKU: 252462

In stock

Discontinued by Bulk Reef Supply

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400 Watt STE Series Titanium Heater

SKU: 252463

In stock


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600 Watt STE Series Titanium Heater

SKU: 252464

In stock


- +
800 Watt STE Series Titanium Heater

SKU: 252465

In stock

Discontinued by Bulk Reef Supply

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Finnex STE Series - Durable and Precise Aquarium Temperature Control

  • Virtually Unbreakable Titanium Heating Element
  • Precise Temperature Control
  • Waterproof Controller
  • ETL Listed & Passes UL Safety Standards


The Finnex STE Series is a robust, yet easy to use heating system for aquariums ranging from 40 to 200+ gallons. At the heart of the STE Series is the controller, which is a waterproof device made from high quality Japanese components. It has a range of 68-92 degrees F and an accuracy of +/- 1 degree F, making it an ideal choice for both saltwater and freshwater aquariums. The heating element being made from titanium means a virtually unbreakable and corrosion resistant heater. Pair that with the waterproof controller and you're left with a heating system that will last you for years to come. 


Model Wattage Amperage Range Aquarium Size Element Length
STE-200 200 1.67A 68-92 Degrees F 40-60 Gallons 10.2"
STE-400 400 3.33A 68-92 Degrees F 80-100 Gallons 14.2"
STE-600 600 5A 68-92 Degrees F 120-150 Gallons 14.2"
STE-800 800 6.67A 68-92 Degrees F 190-265 Gallons 16.9"


More Information
Dimensions 10.2" - 16.9" Length (depending on model)
Included Mounting Suction Cup
WiFi No
Power Consumption 200 - 800 watts (depending on model)
Controller Type Heating Only or Cooling Only (Single Stage)
Temperature Range 68°F - 92°F
Additional Notes Waterproof controller
Temperature Control Controller (Included)
Alarms Audible, Visual
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