The Little Giant 14940721 16S-DPLX is a pre-assembled duplex system consisting of two submersible pumps and a basin. Its pumps work in an alternate pumping process allowing no interruption in the stroke. This system collects sewage, effluent, drainage or seepage water in its huge basin and pumps it to a pipe on a higher level. It has a discharge size of 3". It has a 1 hp permanent split capacitor (PSC) motor. This Little Giant 14940721 16S-DPLX Duplex System can pump 160 GPM at 10' head pressure and up to 40 GPM at 30' head pressure. It comes with a 15' cord. The needed voltage to run this pump is 230V single phase. It has a 36" x 36" poly structural foam basin with a steel cover. This package includes a (513258) duplex alarm system/pump control enclosed in a NEMA 4X waterproof fiberglass casing consisting of a control panel and three sensor floats for high-water detection, pump on and pump off. It has an epoxy coated cast iron pump housing. For more details, you can refer to the specification sheet. The Little Giant 14940721 16S-DPLX Duplex System is covered by a limited warranty for a period of 24 months. This product bears the CSA mark for meeting the standards. Little Giant has proven their excellence for over 70 years of producing reliable pump solutions, packaged system options, and accessories.