The Liberty 281HV Submersible Sump Pump is an automatic effluent pump for a variety of low-head to mid-range pump applications. It 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 3/4" in diameter. Its 1/2 hp oil-filled, permanent split capacitor motor is encased in a class 25 cast iron housing. This Liberty 281HV Submersible Sump Pump can pump up to 62 gallons per minute at 5' head pressure and has a shut-off head of 37'. It comes with an integral float switch. It includes a 10' power cord. The voltage needed to run this pump is 208-230V 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. More details are available in the specification sheets. The Liberty 281HV 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.