
Storage is used to store clean water for consumption.

| MODEL | D(m) | L(m) | INLET(mm.) | OUTLET(mm.) | VENT(mm.) |
|---|---|---|---|---|---|
| ESW-10U | 2.00 | 3.50 | 50 | 50 | 50 |
| ESW-15U | 2.00 | 5.20 | 50 | 50 | 50 |
| ESW-20U | 2.00 | 6.80 | 50 | 50 | 50 |
| ESW-25U | 2.50 | 5.40 | 50 | 50 | 50 |
| ESW-30U | 2.50 | 6.50 | 50 | 50 | 50 |
| ESW-35U | 2.50 | 7.60 | 50 | 50 | 50 |
| ESW-40U | 2.50 | 8.70 | 50 | 50 | 50 |
| ESW-45U | 2.50 | 9.80 | 50 | 50 | 50 |
| ESW-50U | 2.50 | 10.90 | 50 | 50 | 50 |
| ESW-55U | 2.50 | 12.00 | 50 | 50 | 50 |
| ESW-60U | 2.50 | 13.10 | 50 | 50 | 50 |