Aquafine EM200 Model 7500SE main piston, brine, and spacers

[Pat in Ontario]

I am trying to find parts for the Aquafine EM200 Model 7500. Some of the parts appear to be similar to the Fleck 5600 / 7000 but I cannot find any parts information on the EM200 nor any dimensions of the for the Fleck 5600 and Fleck 7000 parts online.

Any help in determining whether the Brine dimensions are similar to the Fleck 60016-01 and the Spacers and similar to the Fleck 60125 is greatly appreciated.

Any information on whether the Main Piston could be replaced by the Fleck 60102-00 is much appreciated.