Little Giant BSP50V 1/2 HP, 115 Volt, 3180 GPH Automatic Aluminum Sump Pump, 511251. LIGHTWEIGHT DESIGN: epoxy-coated cast aluminum housing; thermoplastic vortex impeller, cover, and volute; carbon/ceramic nitrile shaft seal; for easier installation or mounted as a backup pump. ENERGY EFFICIENT MOTOR: oil-filled PSC (permanent split capacitor) motor; CSA listed in the USA and Canada; thermally protected; 8-ft. AUTOMATIC OPERATION: Piggy-back vertical float switch; on at 7.25 inches, off at 2.75 inches; can be by-passed for manual operation; small footprint – fits basins 14 inches or larger. SCREENED RAISED INTAKE: prevents pump from picking up debris from the basin floor that could cause clogging or damage. The Little Giant BSP50V 1/2 HP, 3180 GPH, 115-volt sump pump is ideal for use as a sump pump, a backup pump, or for emergency water removal. Weighing only 8.6 pounds allows for easy installation or you can mount the pump above an existing pump as added protection against flooding in flood-prone areas. This pump is equipped with a 1.5-inch FNPT discharge and an 8-ft. Power cord and has a small footprint, fitting in basins 14 inches or larger. This pump comes with a piggy-back vertical switch which activates when water reaches 7.25 inches and shuts off when water falls to 2.75 inches. The pump can be easily converted to a manual pump by unplugging the pump from the switch and plugging it directly into a wall outlet; perfect for emergency water removal or for servicing or testing the pump. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.