About This Helio 50 Watt PTC Smart Heater - [1 x 50W] Single Element | Aquarium Size: Up to 20 Gallons | *Based on +10°F water temperature increase from current ambient temperature. Heating Element Dims: L 4" x D .80" | Remote Sensor 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 | 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 Accuracy: < ±1°F | Resolution: 0.1°F | Calibration Range: ±9°F | Watt/Amp Draw: 50W 120V / 0.83amps | Product Weight: 2.36 lbs. Error Code Quick Guide: E1-Remote Sensor Not Connected: The remote sensor is not connected. Check the connection between the controller and the remote sensor. E2-Element(s) Not Connected: One or both elements are not connected. Check the connection between the controller and element(s). E3-High Temperature Alarm: The aquarium's water temperature has exceeded the high temperature set point. E4-Low Temperature Alarm: The aquarium's water temperature has subceeded the low temperature set point. E5-Element (I) Error: Element (I) is out of water or low water flow detected around element (I). *Note-Mini Controller has one element plug. Does not include Magnetic Aquarium Heater Holder. E7-Remote Sensor Error: Remote sensor has been detected to be out of water or a sudden temperature swing.
