Troubleshooting guide
20
2
3
4
5
8
6
7
7
9
1
13
14
10
11
12
NOTE: Not available on 
 1¼ " valve.
REPLACEMENT PARTS:
PISTON ASSEMBLY
Item No. Part No. Description Qty.
1
CV3005  1” spacer stack assembly 1
CV3430  1.25” spacer stack assembly 1
2 CV3004  Drive cap assembly 1
3 CV3135  O-ring 228 1
4
CV3011  1” piston assembly downflow 1
CV3011-01  1” piston assembly upflow 1
CV3407  1.25” piston assembly downflow 1
5 CV3174  Regenerant piston 1
6 CV3180  O-ring 337 1
7
CV3105  O-ring 215 1
CV3358  O-ring 219, 1.25” distributor
8 CV3556  Screw, 1/4-20x1-1/2 18-8SS 1
9 CCI-00318337  Nut, 1/4-20 HEX 18-8SS 1
10 CV3016  QC2 clamp assembly (includes screw & nut) 1
11 CV3452  O-ring 230 1
12 CV3015  WS1 QC2 tank adapter assembly (includes O-rings) 1
13
CV3001-04  1” body assembly downflow 1
CV3001UP  1” body assembly upflow 1
CV3020  1.25” body assembly downflow 1
14 CV3368  Drive backplate 1










