Final Rinse, Piston Assembly For Nitro/sidekick Water Softener Control Valve

• Item: Piston Assembly
• Type: Final Rinse
• Used On Item: Water Softener Control Valve
• Used On Model/Brand: Nitro, Sidekick

If your unit uses the Final Rinse Piston, it will have a red mark on the top, as shown in the photo. If your unit uses the standard piston (no red mark), its circuit board is not compatible with the Final Rinse Piston, so you will either need to use the 20001X231 (standard piston assy) or upgrade the electronics to be Final Rinse Piston compatible by changing the powerhead, or installing a new board & motor kit.

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