The Big John submersible sump pumps provide efficient; trouble-free service for extended or continuous use in moving large volumes of water. Little Giant's submersible sump pumps are ideal for use in Excavation; Crawl Space; Basement; Underground Passageway; Loading Docks; Grain Elevator; Construction Site; Cooling Tower; Fire Cleanup and other applications requiring high volume water dispersal.

• Cast iron pump housings with protective epoxy coating for corrosion and rust resistance.
• Oil filled motor housing for lifetime lubrication and rapid heat dissipation. 
• Stainless steel screws, bolts, and handle.  
• Mechanical seals (stainless steel spring, nitrile parts, carbon and ceramic faces). 
• Thermal overload protection. 
• Automatic operation with pressure switch operates when water level is between 7" to 10".
• Pump shuts off when water level falls to between 1" - 4" (Pressure switch is non-adjustable). 

Automatic Submersible Sump Pump, 10ft power cord