| 2 | 17-252-1246 | Lock Ring, Waterco Opal, Tank | AXFI010 |
| 3 | 31-252-1060 | Pressure Gauge, Waterco Baker Hydro, 0-50psi, Bottom Mount | 30B3000 |
| 5 | 17-252-1020 | Air Release, Waterco Filter/Valve, with O-Ring | 620221 |
| 6 | Discontinued | Lid, Waterco Opal | AXFI0082 |
| 6 | 17-252-1245 | Lid, Waterco Opal, with Knob | AXFI0081 |
| 8 | 17-252-1234 | Cartridge, Waterco Opal, 135 SqFt | 701039 |
| 8 | 17-252-1236 | Cartridge Element, Waterco Opal/Opal XL, 180 Sqft | 701038 |
| 9 | Discontinued | Tank, Waterco Opal, Pewter | AXFI0120 |
| 10 | 17-252-1038 | O-ring, Waterco Opal, Union | AXFI018 |
| 11 | 17-252-1250 | Union Tail, Waterco Opal, Black | AXFI014 |
