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20564X254 Green Cap Softener Piston

20564X254 Green Cap Softener Piston

  • 7260


This piston was used on some older (pre-2010) Water Soft softener control valves with an electronic Isobar control valve. 

Also used on softeners that were labeled "How To" or "H2Ow To". 

Only use this piston if your piston has a green cap as shown.

Note: We recommend installing a new seal & spacer kit anytime a piston is being replaced.