Conversion table old - new types
HYDRANAUTICS OLD MODEL NUMBERS
Old Part Number | Current Part Number |
| 1812-LST-CPA2 | CPA2-1812 |
| 2012-LST-CPA2 | CPA2-2012 |
| 2012-UST-ESPA | ESPA1-2012 |
| 2013-LST-CPA2 | Discontinued |
| 2026-LST-CPA2 | CPA2-2026 |
| 2026-UST-ESPA | Discontinued |
| 2514-HST-SWC2 | SWC2-2514 |
| 2514-LST-CPA2 | CPA2-2514 |
| 2514-UST-ESPA | Discontinued |
| 2521-HST-SWC2 | SWC-2521 |
| 2521-LST-CPA2 | CPA2-2521 |
| 2521-UST-ESPA | ESPA1-2521 |
| 2540-HST-SWC2 | SWC2-2540 |
| 2540-LST-CPA2 | CPA2-2540 |
| 2540-UST-ESPA | ESPA1-2540 |
| 4014-LST-CPA2 | CPA2-4014 |
| 4014-UST-ESPA | ESPA1-4014 |
| 4021-LST-CPA2 | CPA2-4021 |
| 4021-UST-ESPA | ESPA1-4021 |
| 4040-HSA-SWC1 | SWC1-4040 |
| 4040-HSA-SWC2 | SWC2-4040 |
| 4040-LHA-CPA2 (FRP) | CPA2-4040 |
| 4040-LHT-CPA2 | Discontinued |
| 4040-UHA-ESNA (FRP) | Discontinued |
| 4040-UHA-ESPA (FRP) | ESPA1-4040 |
| 4040-UHT-ESNA | Discontinued |
| 4040-UHT-ESPA | ESPA1-4040 |
| 8040-HSY-SWC1 | SWC1-2 |
| 8040-HSY-SWC2 | SWC2-1 |
| 8040-LHY-CPA3 | CPA3 |
| 8040-LHY-CPA4 | CPA4-7 |
| 8040-LHY-CPA2 | CPA-400 |
| 8040-LSY-CPA2 | CPA2-7 |
| 8040-UHA-ESPA | ESPA1-7 |
| 8040-UHY-ESPA | ESPA2-7 |
| 8540-LSY-CPA2 | CPA2-8540 |
CPA series High Rejection Brackish water
mini new | old |
| CPA2-1812 | 1812-LST-CPA2 |
| CPA2-2012 | 2012-LST-CPA2 |
| CPA2-2026 | 2026-LST-CPA2 |
| 2,5" | |
| CPA2-2514 | 2514-LST-CPA2 |
| CPA2-2521 | 2521-LST-CPA2 |
| CPA2-2540 | 2540-LST-CPA2 |
| 4" | |
| CPA2-4014 | 4014-LST-CPA2 |
| CPA2-4021 | 4021-LST-CPA2 |
| CPA2-4040 | 4040-LHA-CPA2 (FRP) |
| 8" | |
| CPA2 | 8040-LS4-CPA2 |
| CPA3 | 8040-LH4-CPA3 |
| CPA3-LD | |
ESPA series High Productivity Low Pressure
mini new | old |
| ESPA1-2012 | 2012-UST-ESPA |
| Discontinued | 2026-UST-ESPA |
| Discontinued | 2514-UST-ESPA |
| ESPA1-2521 | 2521-UST-ESPA |
| ESPA1-2540 | 2540-UST-ESPA |
| ESPA1-4014 | 4014-UST-ESPA |
| ESPA1-4021 | 4021-UST-ESPA |
| 4" | |
| ESPA1-4040 | 4040-UHA-ESPA (FRP) |
| ESPA2-4040 | New Model |
| ESPA3-4040 | New Model |
| 8" | |
| ESPA1 | 8040-UHA-ESPA |
| ESPA2-365 | ESPA2-365-7 |
| ESPA2 | New Model |
| ESPA2+ | New Model |
| ESPA3 | New Model |
| ESPA4 | New Model |
| ESPAB | New Model |
SWC series Desalination Sea Water
2,5" new | old |
| SWC2-2514 | 2514-HST-SWC2 |
| SWC2-2521 | 2521-HST-SWC2 |
| SWC1-2540 | New Model |
| SWC2-2540 | 2540-HST-SWC2 |
| 4" | |
| SWC1-4040 | 4040-HSA-SWC1 |
| SWC2-4040 | 4040-HSA-SWC2 |
| 8" | |
| SWC3 | 8040-HS4-SWC1 |
| SWC3+ | 8040-HS4-SWC2 |
| SWC4+ | New Model |
| SWC4+ Max | New Model |
| SWC5 | New Model |
| SWC5 Max | New Model |
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