Grundfos Pumps CRN 125-2-2 A-P-A-V-HQQV Vertical Multistage Centrifugal Pump End, Model 99400318, 6″ x 6″ PJE Coupling Connection, Basic Version 2 Stages, No Motor – Pump End Only, Viton Shaft Seal. 363 PSI Max Pressure, 194° F Max Op Temp, 660 GPM Capacity. Materials: Basic Version.