The Little Giant 305572007 Inlet Pressure Switch Kit is a replacement pressure switch designed for the Little Giant Inline 400 booster pump system. It monitors inlet pressure and responds when pressure reaches the switch’s set point, helping control proper pump operation and maintain consistent water pressure. This switch is primarily used with water pressure booster equipment serving... https://www.partshnc.com/305572007-little-giant-inlet-pressure-switch-kit