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Finnex Digital Heater Temperature Controller +Memory

Finnex Digital Heater Temperature Controller +Memory
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* Digital temperature controller for aquarium heaters up to 800W
* Maintains aquarium heater temperature within ±2°F of set value
* High/Low temp alert PLUS dual relay technology for safe heater operation

Advanced controller technology maintains aquarium heater operation within ±2°F of set value. Finnex Digital Heater Temperature Controller +Memory ensure precision digital control of aquarium heaters to provide stable temperatures essential to the health of all aquarium inhabitants. Push-button control allows simple programming of desired temperature. For use with Finnex Deluxe Titanium Tube Heaters and other aquarium heaters up to 800 watts.

Finnex Digital Heater Temperature Controller +Memory boasts safety features including easily adjustable HI/LO temperature settings with audio alert. Dual relay technology automatically shuts off the heater to prevent equipment damage and harm to livestock due to overheating. Heater controller is equipped with built-in memory to maintain user settings once the power returns after a power outage.

Finnex Digital Heater Temperature Controller +Memory measures 3-1/2" x 1-1/2" x 5" high. 44" water-temperature sensor probe cord.


  • LED display for easy temperature reading
  • Automatic shut off for over-heat protection
  • High/Low temperature alert safety
  • Controller memory retains user settings even after power outage
  • Safety dual relay technology

Voltage Range Accuracy Max Load Overload Fuse Memory
100-120v 37°-98°F ±2°F 800W 10A Yes

Factory Default Settings:

  • Factory Default Heating Temperature: 81°F
  • Factory Default High Alert: 93°F
  • Factory Default Low Alert: 67°F

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Please note: Return of electrical equipment to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.

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