The Zoeller Pump Company Impeller Assembly for 3-phase systems is specifically designed for model 4290. This high-efficiency impeller is crafted from durable materials to ensure optimal flow and performance in various pumping applications. With precise dimensions and a lightweight design, it enhances the overall efficiency of the pump while reducing energy consumption. The assembly meets industry standards for quality and reliability, making it suitable for both residential and commercial use. Upgrade your pump system with this essential component for improved performance and longevity.