Farm Innovators 1500w Universal Drainplug DeIcer Farm Innovators 1500w Universal Drainplug De-Icer This de-icer is thermostatic-controlled to operate only when necessary and features an automatic shut-off. When water temperatures fall to (approximately) 35 degrees, the de-icer will turn on. It will then shut off automatically until water temperature falls toward freezing again. The unit is completely hidden from the animal, and suspended in the tank so it cannot come in contact with the bottom or side. Easy to install and requiring no special tools, it fits tanks via plug head through most drain plug openings on stock tanks. Features: 1500 watts Thermostatically controlled Drain plug de-icer For use with any size plastic, rubber, or metal tank up to 300 gallons Fits any Behlan, Freeland, Hastings, Rubbermaid, or Applegate tank One Year Limited Manufacturers Warranty UL Listed