Piston and Seals KIT FLECK 5810 ; Downflow Softener Part # 61956-01Has a white dot to ID it's "downflow" ( most common version ).Note: if you need the "filter" version ( yellow dot ), that is part number 61956-03Or "Upflow" version ( blue dot ), that is part number 61956-02Link to Pentair Water Youtube video showing hold to Disassembly the Fleck 5800https://www.youtube.com/watch?v=N05HFrtop2Y
