Fleck 5800 Parts & Service Kits:
| Item | Description |
| FLK-61837 | Piston And Seal Kit, Down-flow, 5800 |
| FLK-61838 | Piston And Seal Kit, Up-flow, 5800 |
| FLK-60032 | 1600 Brine Valve, 4650/5000/5600/5600SXT/5800/6600/6700 |
| FLK-60705-XX | Drain Line Flow Control Plastic, 1500/2510/5000/5800/8500, Specify Size |
| FLK-60626 | ¾” Electronic Plastic Meter Assy, Dual Port 2510/5000/5600SXT/5800/6700/9000/9100 |
| FLK-61835 | Drive Motor Assy, 5800 |
| FLK-61836 | Panel Gear Assy, 5800 Down-flow/Up-flow |
| FLK-61834 | Timer Assembly, 5800SXT |