The DEWALT Sump Pumps are guaranteed tough to meet and exceed the expectations of experienced professionals and avid homeowners alike. This heavy-duty sump pump uses cutting-edge technology to dependably keep water away from the home, day or night. It is constructed from corrosion-resistant stainless steel, cast iron and cast aluminum and features a PSC motor for powerful, yet energy-efficient operation. The 1-1/2 inch discharge and vortex impeller allows the pump to move water with up to a 35-foot vertical lift. The piggy-back plug design feature that allows for manual operation further increases the versatility of this pump. Backed by an industry-best 10-year warranty, the HP DEWALT Sump Pump is second to none.