The Little Giant 554401 VCMA-15 Series is Designed for Automatic Collection and Removal of Condensate from Air Conditioning, Refrigeration and Dehumidification Equipment when Gravity Drainage is not Possible or Practical. Also, Suitable for High Efficiency Oil and Gas-Fired Condensing Furnace and Condensing Boiler Equipment. Features Include a 1/2 Gallon Collection Tank, Vertical Centrifugal Pump Design, Stainless Steel Motor Shaft, Automatic Start and Stop Operation and a Thermally Protected Fan Cooled Motor