Automatic Submersible Bilge Pump - Electromagnetic Switch01604-00Heavy-Duty, high-performance pumpExceeds the tough demands of commercial and recreational dutyLiquid Cooled12-Pole motor with double ball bearingsLip Seal design constructionPrewired with automatic float switch(with Manual Over-ride Operation)Optional and removable check valve included1-1/8" & 1-1/4" hose adapters included3 year warranty