Johnson Pump 1600GPH Auto Bilge Pump w/Mag Switch - 12V - 01604-00Johnson Pump 1600GPH Auto Bilge Pump w Mag Switch 12V 01604 00 Automatic Submersible Bilge Pump Electromagnetic Switch 01604 00 Heavy Duty, high performance pump Exceeds the tough demands of commercial and recreational duty Liquid Cooled 12 Pole motor with double ball bearings Lip Seal design construction Prewired with automatic float switch(with Manual Over ride Operation) Optional and removable check valve included 1 1 8" & 1 1 4" hose adapters