The MaxFlo VS™ 500 provides up to 80% energy savings over single speed pumps and pays for itself faster than larger, more expensive models, with a super efficient permanent magnet, totally enclosed fan cooled (TEFC) motor. It is an easy, drop in upgrade that can operate in stand alone mode or connect to any automation system, either directly or with relays. With its chemical resistant Viton® seal and 3 year warranty, the MaxFlo VS™ 500 will provide years of powerful performance.