Used 3" x 3" Multi Stage Centrifugal pump, TonkaFlow Model SS8522KE, Design Pressure: 85 GPM @ 407 PSI (750 PSI Max). 316-SS housing with Noryl impeller and diffuser. 40 HP, 230/460V Motor. Mfg be TonkaFlow Pump Co, Minnetonka MN, S/N: 050100617. Previous use RO Water.