Flint & Walling 5SE Cast Iron Sump Pump 0.5 HP 115V 1PH AutomaticFlint & Walling 5SE Cast Iron Sump Pump Our 5SE Cast Iron Sump Pump is a premium solution with a vertical switch that seamlessly fits into pits as small as 10" (25 cm) in diameter. Featuring a cast iron pump housing for extended life and quite operation, it meets commercial code requirements with its 1 1 2"discharge. Our thermal overload protection prevents overheating, and the waterproof cord allows for easy replacement in wet environments without