Finish Thompson - VKC11 Series Pumps

During January 1999 a modification was made in the way that the shaft and drive magnet at attached. 

A keyway with key and set screw was the previous method used to attach the drive magnet to the shaft.  This was replaced with the current threaded / locknut system.

The following parts have been changed and will require to be observed.

Drive Shaft - current has threaded end and requires a lock nut

Drive Magnet - current has internal threads and a recess for a lock nut

Column housing adapter - current does not have an access opening for set screw tightening - note that the parts drawing indicates that it is there.

Please contact us if any of the older parts are required.

Parts sheets for current pumps manufactured after January 1999 - PDF file

Parts sheet for older pumps manufactured before January 1999 - PDF file