Innovative Marine Helio PTC Smart Reef Aquarium Heater (100 Watt)

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About This Rated for Aquarium Size: 10 - 25 Gallons *Based on +10°F water temperature increase from current ambient temperature Heating Element Dims: L 5.75" x D .80" | Remote Sens or Dims: L 2.3" x D .31" | Helio Smart Controller Dims: L 3.13" x W 1.31" x H 5" Helio PTC Smart Controller Specifications: Factory Preset Temperature: 77°F | Factory Preset Low Alarm: 74°F | Factory Preset High Alarm: 80°F | Accuracy: < ±1°F | Resolution: 0.1°F | Calibration Range: ±9°F Temp Set Range: 59° - 95°F | Low Alarm General Range: 57° - 93°F | Low Alarm Minimum Range: -2°F from Set Temperature High Alarm General Range: 60° - 96°F | High Alarm Minimum Range: +1°F from Set Temperature Show more