The simplex vertical multistage booster pump package provides water flow and pressure in commercial raincycle rainwater harvesting systems. rated for flows up to 80 gpm and 125 psi; this package includes a goulds e-sv vertical multistage pump to maximize energy efficiency. service life and reduce maintenance. package is pre-installed on a stainless steel slider base for quick installation and includes a check valve; safety pressure relief valves; isolation valves and pressure gauges. variable speed controller with 4-20ma pressure sensor included when ordered with a rainwater control station using a cr control panel; vp or vc the variable speed drive will be installed on the skid of the rainwater control station for easy installation; system operation and maintenance. revit.