The Sta-Rite Pumps U217-1219 Pressure Switch is a mechanical pressure-control component designed for compatible Sta-Rite water pump and pressure-system equipment. It automatically controls pump operation by switching the pump on when system pressure drops to 30 PSI and off when pressure reaches 50 PSI. This 30/50 PSI configuration helps maintain consistent water pressure while reducin... https://www.partshnc.com/u217-1219-sta-rite-pumps-pressure-switch-on-30psi-off-50psi