The Ideal H2O? High Flow booster pump kit is designed to be used 24 hours a day / 7 days a week with any 500 GPD thru 2000 GPD RO System. This high performance booster pump will power your RO System to 75 psi, allowing your RO system to operate at its full production capability. The kit also includes low/high pressure switches and can be used in conjunction with a float valve. Adjustable pressure dial. Direct 120V plug in. Includes pump protector/inlet filter and 1/2 in QC fittings. Pump requires a minimum of 20 psi to operate.