Sizing is an important part of selecting a refiner. This article helps you to size a residential unit by estimating the customer’s grain capacity requirements.
| Cabinet Model | Two-Tank Model | |||
| ERR3700R20 | ERR3702R30 | ERR3702R50 | ERRC3702R50 | |
| Max Capacity (grains) | 20,000 | 27,100 | 49,900 | 50,000 |
| Hardness Removal (gpg) | 50 | 60 | 95 | 95 |
| Ferrous Iron Removal (ppm) | 10 | 12 | 15 | 15 |