Farm Innovators HPF-100 Heated All-Seasons Poultry Fountain, 3-Gallon, 100WFarm Innovators Heated "All Seasons" Plastic Poultry Fountain is thermostatically controlled to operate only when necessary. Keeps water from freezing during the winter. Keeps water from freezing down to 0 degree Fahrenheit ( 18 degrees Celsius). Fills from the bottom without having to remove the reservoir. Ideal for year round use. 100 watts of power 3 gallon water capacity in reservoir Thermostatically controlled to operate only when necessary Keeps