The Wilo-Helix FIRST V is a highly efficient, vertical and multistage pump with a robust pump housing made of grey cast iron and an IE3 motor. It is suitable for applications ranging from water supply and pressure boosting to integration in cooling circuits and industrial applications. The compact design makes installing and operating the pump extremely convenient. The combination of a housing made of grey cast iron with corrosion-resistant stainless-steel hydraulics provides the Wilo-Helix FIRST V with exceptional operational reliability and high energy efficiency.