99915568 Grundfos Pumps CRN1S-4 A-P-A-V-HQQV 1×115/230 60HZ Vertical Multistage Centrifugal Pump & WEG Motor. CRN 1s-4 96081689 Replacement Model. 1/3 HP, 115/230 Volt, 1 Ph (Single Phase), TEFC – Totally Enclosed Fan Cooled Enclosure. 4 Stages, 1-1/4″ Suction, 1-1/4″ Discharge with PJE Coupling Connections. Balanced Cartridge Shaft Seal with O-Ring: Silicon Carbide & FKM.