| ECR3702R30 | |||
| System Type | Series | Configuration | Size |
| EEC - Softener | 1500 | 0 = Cabinet | R20 R40 |
| ESD - Softener | 2700 | 2 = 2 Tank | R25 R50 |
| ECR - Conditioner | 2800 | R30 R70 | |
| ERR Refiner | 3700 | R39 | |
| ETF2302SM10C | |||
| Type | Tank | Configuration | * Some units + Media |
| PF - Empty Metered | 10 inch | 0 - Single Tank | C - Shell Carbon |
| AIV - Air Injection Valve | 12 inch | 2 - 2 Tank | CC - Cat. Carbon |
| EIV - Empty Injection Valve | |||
| ECCWS - Cat. Carbon Metered | |||
| SC - Shell Carbon In/Out | |||
| SM - Anti-scale In/Out | |||