The Grundfos SCALA2 Water Booster Pump is a compact, intelligent pressure-boosting system designed to provide consistent water pressure in residential and light commercial applications. It works by automatically adjusting pump speed to match water demand, maintaining stable pressure throughout the plumbing system. Commonly used with water heaters, hydronic heating systems, and domesti... https://www.partshnc.com/scala2-grundfos-3-45-amcjdf-98562817-1-x-208-230v-60hz-water-booster-pump-w-nema-6-15p-plug-rep