Hayward Max-Flo Pump Max-Flo is a series of high technology pumps that combine performance and value with durable corrosion-proof construction. Designed for pools of all types and sizes. As an ideal replacement pump, Max-Flo has an upgraded design which incorporates swing-aside knobs for easy access to the strainer compartment and a debris basket that’s 50% larger. Max-Flo also features a “seethru” cover, a heavy-duty high-performance motor, and exclusive “service-ease” design for extra convenience and easier operation. The Max-Flo pump series sets a new higher standard for performance, durability, and value. Max-Flo – the best just got better.