Grundfos 97549397 Tri-Clamp Connection Set. The CME Series Pumps are designed along side of the CM pumps. The CME Pumps are part of the E-pump family, and are different from the CM pumps in motor range, and motor standards. The CME pump motor is a Grundfos MGE motor manufactured to EN standards. This Grundfos 97549397 Tri-Clamp Connection Set features a compact design that allows users to make numerous configurations and system customizations with ease. The Connection Set is a genuine replacement part designed for CM(E) Horizontal Multistage Centrifugal Pumps. The Set includes clamping rings, pipe stubs and gaskets needed for installation. This Set is applicable in heating, air-conditioning, pressure boosting, Industrial cooling, and fluctuating load Irrigation systems.