Wayne 1/3 HP Cast Iron Submersible Sump Pump CDU790

Compactly designed for small sump pits. Two pole mechanical float switch provides on-off action for many years of safe reliable service. Overload protection keeps motor from over-heating. Permanen tly lubricated ball bearing never needs oiling. Unitized shaft seal for long life. Top suction strainer stops foreign particles before they can clog the pump. Thermoplastic top assembly will not rust or corrode. Easy to install. 11 inch minimum sump diameter; 9 inches on-level; 4 inches off-level. 1- 1/2 inches NPT discharge. PUmps up to 3800 gph at 0 feet.