Grundfos 98334768, Kit, It Included in Control Box Upper, Pan Head Thread forming Screw, for use with Model CRE 1-4, CRE 1-6, CRE 1-9, CRE 1-13, CRE 1-15, CRE 1-17, CRE 1-23, CRE 1-27, CRE 3-2, CRE 3-4, CRE 3-5, CRE 3-8, CRE 3-11, CRE 5-2, CRE 5-4, CRE 5-