Grundfos 98861958, Kit, It Included in Fan Cover, Pan Head Thread forming Screw, for use with Model CRE 3-25, CRE 5-13, CRE 5-16, CRE 5-20, CRE 5-24, CRE 10-6, CRE 10-8, CRE 10-10, CRE 15-2, CRE 15-4, CRE 15-5, CRE 20-2, CRE 20-3, CRE 20-4, CRE 20-5, CRE