The Wilo Yonos Maxo 40/0,5-8 Circulating Pump -2120646 is a brand new, powerful and energy-efficient pumping system. It features a 4-speed motor that can pump up to 8 m/h water flow with just 40 watts of power, allowing a 40% energy saving compared to other models. This pump is perfect for a variety of commercial and domestic applications.