Grundfos 98634018 Impeller Kit is a stainless steel (Model B) replacement set for Grundfos CRN Series pumps, specifically the CRN45 NSMP reducer configuration. This kit provides the impeller components required to service compatible CRN45 NSMP units in the CRN Series. Identified by part number 98634018, it is intended for use with Grundfos CRN pumps in the CRN45 NSMP family.
