The Ecocirc auto and vario were designed with the highly efficient electronically commutated permanent magnet motor (ECM technology). Our revolutionary pump is designed to consume 40% less energy. Added variable speed technology offers further power savings. The E10 pump is compact and lightweight, less than 5 lbs. It is whisper quiet and programmable designed with the latest EC technology. The flow rate dependent on the differential pressure control, adjusts the pump performance continuously and automatically to the requirements of the system.