Drive Motor, compatible with softeners and filters that use the following control valves:

• Fleck 5600 or 2510 softener & filter valves
• CSI "CSA" softener & filter valves
• Cygna softener & filter valves
• WaterSoft Isobar 1 (2092) softener & filter valves manufactured after 2009*

*If you have the old-style Isobar motor that has a small plastic gear (as opposed to the larger brass gear shown on this motor), this motor will not be compatible with your powerhead.  You will need to either replace the powerhead or replace the control valve:

Metered Softener Powerhead

Timeclock Softener Powerhead