The Grundfos CIU unit can be connected permanent or temporarily for changing the pre-setting

M 12 plug to connect DDA

Auto deaeration during pump standby to avoid stand-still due to air-locking

Intermediate guide rail holders are used to stabilize and fixate the guide rails when exceeding 4m in length

expansion tank

nk 50 315 277 aa2f2aesbaqekw3 97831676 The Grundfos CIU unit canNon self priming, single stage, centrifugal pump designed according to ISO 5199 with dimensions and rated performance according to EN 733. Flanges are PN 16 with dimensions according to EN 1092 2. The pump has an axial suction port, a radial discharge port and horizontal shaft. It is of the back pull out design enabling removal of the motor, coupling, bearing bracket and impeller without disturbing the pump housing or pipework. The unbalanced rubber