Master Plumber, 1/2 HP, Cast Iron, Sump Pump, With 2 Pole Float Switch, 115V, 1 Phase, 1-1/2" NPT Discharge, 60 GPM Max, 32' Max Head, Automatic, 10' Cord, 2 Pole Switch Design Allows For Operation In Sump Diameters Of 10" Or Larger, Rugged, Oil Cooled Motor Provides Continuous Bearing Lubrication & Maximizes Heat Dissipation, Fiberglass Reinforced Noryl Impeller With Threaded Brass Insert, Lubricated Ball Bearings & Shaft Seal For Longer Service Life, Shaded Pole Motor Eliminates Failure Prone Switches & Relays, Long Life Carbon/Ceramic Seal Protects Motor Against Water Leakage, Heat Sensor Overload Protection With Automatic Reset When Motor Cools To Safe Operating Temperature, No Drilling Required, Anti-Airlock Hole In Base Reduces Added Labor, Pump, Intake Screen Volute Base, Switch & Power Cord Are Serviceable, 3 Year Warranty.