A.Y. McDonald has introduced a line of booster pumps that ranges from 20 gpm through 300 gpm and are available in variable speed and constant speed. These pumps are designed for residential/light commercial, commercial, and irrigation applications. Our line includes a residential unit, modular unit, simplex system as well as a duplex system. Not all boosting applications require complicated boosting systems. The DuraMAC Boosting system is simple, versatile, sophisticated and reliable. Quite simply, it is the most versatile boosting system for commercial or irrigation use.