Big John® submersible sump pumps provide efficient, trouble-free service for extended or continuous use in moving large volumes of water. Available with thermal overload protection in manual or automatic models, with epoxy coated cast iron pump housing and oil-filled motor housing, they are ideal for use in excavation, crawl space, basements, underground passageways, loading docks, grain elevators, construction sites, cooling towers, fire cleanup and other applications requiring high volume water dispersal.
