The Liberty 450-2 Submersible Sump Pump is recommended for use for mound systems, STEP systems, high output sump applications, and liquid waste transfer. It is a heavy-duty pump with high head that enables sewage to be pumped over long distances. The pump has a discharge size of 1 1/2" and it can handle solids of up to 3/8" in diameter. Its 1/2 hp oil-filled, permanent split capacitor motor is encased in an aluminum housing. This Liberty 450-2 Submersible Sump Pump is manually operated. It includes a 10' power cord and an optional 25' power cord. The voltage needed to run this pump is 115V single phase. It utilizes a vortex style, polymer engineered impeller with pump out vanes on the back shroud to prevent clogging of debris in the seal area. The pump's performance data and other details are available in the specification sheets. The Liberty 450-2 Submersible Sump Pump is covered by a standard Limited Warranty for a period of 3 years. This product proudly bears the CSA mark and is recognized for meeting the required environmental performance standards. Liberty, the company that makes and innovates high quality pumps is relied on by hundreds of professional contractors each day. Liberty has been cited as one of Rochester's Top 100 Companies for twelve years.