The Liberty EV290 Sump Pump is designed for use in the ELV Systems. It is activated by the OilTector system to remove water from the elevator pits in accordance with ASME A17.1. It cycles only in the water range so that oil and other harmful substances are not discharged into the environment. This Liberty EV290 Sump Pump has a discharge size of 1 ½". It uses a 3/4 hp motor. It comes with an oil-resistant 25' power cord. The voltage needed to run this pump is 115V single phase. The pump cord and power-to-panel cord are plug-in ready and can be installed quickly and easily. The motor is protected by a unitized ceramic carbon. It utilizes a vortex style impeller made of engineered polymer that has pump out vanes at the back shroud to prevent clogging of debris. The pump's performance data and other details are available in the specification sheets. The Liberty EV290 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.