18
NOTE: Optional On Some Models
Only. Not Available On 1
1/4”
Valve.
For Air Filter Systems Only
PISTON ASSEMBLY
Item #
Part #
Description
Qty .
1
CV3005-02
1” spacer stack assembly
1
CV3430-01
1.25” spacer stack assembly
1
2
CV3004
Drive cap assembly
1
3
CV3135
O-ring 228 (drive cap o-ring)
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
6-12
CV3015A
WS1 QC2 Tank adapter assembly (includes O-rings)
1
13
CV3001-04 1” body assembly downflow
1
CV3001-04UP 1” body assembly upflow
1
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
OV32 DN32 Internal check valve
1
REPLACEMENT PARTS