20561X254 Piston and End Plug Assembly
Replacement Piston for softeners and filters that use the following control valves:
- Fleck 5600
- CSI "CSA"
- Water Soft Isobar 1 (2092)*
Note: We recommend installing a new seal & spacer kit anytime a piston is being replaced.
*If your Isobar piston has an orange cap instead of a white cap, you need the 20922C203