18 19
NOTE: Optional On Some Models Only.
Not Available On 1
1/4”
Valve.
Optional on some models only
For Air Filter Systems Only
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
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
CV3001-04UP 1” body assembly upflow 1
13
CV3001 1” body assembly downflow 1
CV3001UP 1” body assembly upflow 1
CV3020 1.25” body assembly downflow 1
14 CV3541 Drive backplate 1
Not
Shown
CD1225-05 Top basket softener (optional) 1
CD1249WR Top basket filter 1
Not
Shown
OV32DN32 Internal check valve 1
REPLACEMENT PARTS