This Rebuild Kit is for the Electronic Versions of the Fleck 5600,6600,6700 DownflowINCLUDES
Piston Main Assembly 5600SE, SXT Downflow 60102-71 ( has GREEN end cap )
Brine Valve Piston Assembly 60032Seals & Spacers Kit 60125
If end cap it is not GREEN, and you have Electronic Fleck Control, then you might have the UPFLOW version ( 60102-62 )
There is the option to select UPFLOW ( $ 4.00 more ), the KIT defaults to Downflow.NOTE: The Teflon coating of the "Plunger" portion of the Piston can be green or gray... it's the CAP color ( Green in this case ) that IDs the type of Piston you have / you need.
** More information on Electronic Fleck Valves and Pistons