| Model Code | Description | |
|---|---|---|
| 01 | 422.913, 423.905, 423.906, 423.907, 442.952, 624.136 | FLANGED-ON SECONDARY PUMP |
| 02 | 422.905, 422.911, 422.913, 422.916, 423.908, 442.950, 624.032, 624.033 | FLANGED-ON SECONDARY PUMP;VERSION FOR PEOPLE'S REP. OF CHINA;TYPE 3328 |
| 03 | 422.905, 422.911, 422.913, 423.908, 624.033 | FLANGED-ON SECONDARY PUMP;TYPE 3328 |
| 04 | 422.905, 422.911, 422.913, 422.916, 442.950, 624.032 | FLANGED-ON SECONDARY PUMP;TYPE 3328 |
| 05 | 422.905, 422.911, 422.913, 422.916, 442.950, 624.032 | FLANGED-ON SECONDARY PUMP;TYPE 3328 |