Johnson Pump Heavy Duty Bilge Pump 4000 GPH - 24V [40084]Heavy Duty Bilge Pump 4000 GPH 24V Features: Limited 1 Year Warranty Capacities of 1600, 2200, or 4000 GPH Liquid cooled, 12 pole motor with double ball bearings for extended service life The shaft of stainless steel (SS2343) The impeller is carefully designed and tested to maximize head and flow 4000 GPH features a robust motor design, mechanical shaft seal, high impact ABS plastic, and unique threaded port design Universal base plate and choice of