Exploded parts diagrams: This part is shown as item #19 on the Cartridge Filter, Pentair Purex CFW-120/180/315/405/560; item #15 on the DE Filter, Pentair/Purex, 800 Series; item #14 on the Sand Filter, Pentair/American Prod, Sandpiper 18″ SS Tan; item #14 on the Sand Filter, Pentair/American Prod, Sandpiper 24″ SS Tan; item #16 on the Sand Filter, Pentair/American Prod, Sandpiper 30″ SS Tan; item #23 on the Pentair WhisperFlo VST Pump Replacement Parts; and 5 other assemblies exploded parts diagrams.
🔧 Cartridge Filter, Pentair Purex CFW-120/180/315/405/560 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Tool, Socket, Quad-Side A/Solar Side B |
| – | Tool, Clamp Knob Socket, 4-Lobe, w/1/4" Socket Bit Adapter |
| – | Tool, Pentair Purex American Products, Tank Lid Opener |
| 23e | Cartridge, 93.5sqft, 3"ot, 3"ob, 7", 19" 4oz |
| 26d | 16-110-W025K23D |
| 23c | 16-110-W025K23C |
| 23b | 16-110-W025K23B |
| 23a | 16-110-W025K23A |
| 22 | Spacer, Pentair Purex CFW-405 |
| 21 | Nut,Pentair Purex Whisperflo/IntelliFlo,Var. Filters, 1/4-20 |
| 20 | 16-110-W025K20 |
| 19 | Washer, Pentair Purex Whisperflo/IntelliFlo, 1/4-20 ◀ this part |
| 18 | 16-110-W025K18 |
| 17 | Washer, Pentair PacFab, Pump/Filter, 5/16" |
| 16 | Wing Nut, Pentair Purex CFM/CF with 800/SMBW, 1/4-20 |
| 15 | 90 Elbow, 2" Slip x 2" Female Pipe Thread |
| 14 | 17-110-1400 |
| 13 | Drain Cap, Pentair Purex CFW, 3/4" |
| 12 | 16-110-W025K12 |
| 11 | O-Ring, Purex CFW/2000, 17-3/4" x 0.5",Tank Body,Generic |
| 10 | 16-110-W025K10 |
| 9 | 16-110-W025K9 |
| 8 | 16-110-W025K8 |
| 7 | 16-110-W025K7 |
| 6 | 16-110-W025K6 |
| 5 | Tee, Pentair Purex CFM/CF with SMBW, Brass, 1/4" |
| 4 | Nipple, Pentair Purex CF with SMB with 800, 1/4" |
| 3 | Air Relief Valve, Pentair Purex CFM/CF with SMBW |
| 2 | 16-110-W025K2 |
| 1 | 16-110-W025K1 |















